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Welcome to what's new in Azure Data Explorer archive. This article is an archive of new and significantly updated content in the Azure Data Explorer documentation.
April 2024
Management
| Article title | Description |
|---|---|
| .execute cluster script command | New article. Describes how to use the .execute cluster script command to execute a batch of management commands in the scope of a cluster. |
March 2024
API
| Article title | Description |
|---|---|
| Use Kusto cmdlets in Azure PowerShell | New article. Describes how to use Kusto cmdlets in Azure PowerShell. |
General
| Article title | Description |
|---|---|
| Create an Azure Data Explorer cluster and database | Updated article. Refreshed steps on how to set up Azure PowerShell to run Kusto cmdlets. |
| Migrate your cluster to support multiple availability zones (preview) | Updated article. Refreshed steps on how to get the list of availability zones for your cluster's region in Azure portal. |
Management
| Article title | Description |
|---|---|
| - What are common scenarios for using table update policies - Tutorial: Route data using table update policies - Update policy overview |
New and updated articles. Describes common use cases for how to use update table policies to perform complex transformations and route results to destination tables. |
| Parquet mapping | Updated article. Added parquet type conversions table to provide a mapping of Parquet field types, and the table column types they can be converted to. |
February 2024
General
| Article title | Description |
|---|---|
| - Azure Data Explorer web UI query overview - Access the data profile of a table |
New article that describes how to access the data profile of a table in the Azure Data Explorer web UI, and updated web UI query overview. |
| Customize Azure Data Explorer dashboard visuals | Updated article. Added section on embedding images in dashboard tiles. |
| Create an Event Grid data connection for Azure Data Explorer | Updated article. Refreshed content. |
| How to ingest historical data into Azure Data Explorer | Updated article. Refreshed content. |
Management
| Article title | Description |
|---|---|
| Apply row-level security on SQL external tables | New article. Describes how to create a row-level security solution with Azure Data Explorer SQL external tables. |
| .update table command (preview) | New article. Describes how to use the .update table command to perform transactional data updates. |
| - Stored query results - .set stored_query_result command - .show stored_query_result command - .drop stored_query_result command - stored_query_result() |
New articles. Describe how to manage stored query results. |
| Continuous data export overview | Updated article. Added section on continuous export to delta table, and refreshed limitations. |
Query
| Article title | Description |
|---|---|
| sort operator | Updated article. Added section on the use of special floating-point values. |
January 2024
General
| Article title | Description |
|---|---|
| - Integrations overview - Data integrations overview - Query integrations overview - Visualize integrations overview |
New articles. Describes the available data connectors, tools, and query integrations, and updated article on the available visualize integrations. |
| Schema optimization best practices | New article. Describes the best practices for schema design in Azure Data Explorer. |
December 2023
General
| Article title | Description |
|---|---|
| Migrate your cluster to support multiple availability zones | New article. Describes how to migrate your cluster to support multiple availability zones. |
Query
| Article title | Description |
|---|---|
| -Scalar function types at a glance -series_cosine_similarity() - series_magnitude() - series_sum() |
New articles. Describes how to calculate series elements, and added to scalar functions overview. |
| series_dot_product() | Updated article. Added section on performance optimization. |
November 2023
General
| Article title | Description |
|---|---|
| Migrate a Virtual Network injected cluster to private endpoints (preview) | New article. Describes how to migrate a Virtual Network injected Azure Data Explorer Cluster to private endpoints. |
| - Ingest data from Splunk Universal Forwarder - Ingest data with Apache Flink - Data connectors overview |
New articles that describe how to ingest data with Splunk Universal Forwarder and Apache Flink, and updated data connector overview. |
| Use follower databases | Updated article. Update limitations for clusters using customer-managed keys. |
| Create Power Apps application to query data in Azure Data Explorer | Updated article. Refreshed content. |
| Create a Microsoft Entra application registration in Azure Data Explorer | Updated article. Added section on creating a Microsoft Entra service principal. |
Management
| Article title | Description |
|---|---|
| Materialized views use cases | New article. Describes common and advanced use cases for materialized views. |
October 2023
General
| Article title | Description |
|---|---|
| - Ingest data with Fluent Bit - Data connectors overview |
New article that describes how to ingest data from Fluent Bit, and updated data connector overview with additional capabilities. |
| Connect a cluster behind a private endpoint to a Power BI service | New article. Describes how to connect an Azure Data Explorer cluster behind a private endpoint to a Power BI service. |
September 2023
General
| Article title | Description |
|---|---|
| - KQL graph semantics overview (Preview) - KQL graph semantics best practices (Preview) - Common scenarios for using KQL graph semantics (Preview) |
New articles. Describes how to use Kusto Query Language (KQL) graph semantics. |
| How to ingest historical data | New article. Describes how to use LightIngest to ingest historical or ad hoc data into Azure Data Explorer. |
| - Ingest data from Splunk to Azure Data Explorer - Data connectors overview |
New article that describes how to ingest data into Azure Data Explorer from Splunk, and updated data connector overview with additional capabilities. |
| KQL learning resources | New article. Describes the different learning resources for ramping up on KQL. |
| Dashboard-specific visuals | New article. Describes the visualizations available in Azure Data Explorer web UI or dashboards. |
| Create a dashboard base query | New article. Describes how to create a base query for an Azure Data Explorer dashboard. |
Management
| Article title | Description |
|---|---|
| - .alter-merge database policy ingestionbatching command - .alter-merge table policy ingestionbatching command |
New articles. Describes how to set the ingestion batching policy. |
Query
| Article title | Description |
|---|---|
| - Graph operators (preview) - graph-match operator (preview) - graph-to-table operator (preview) - make-graph operator (preview) |
New articles. Describes how to use graph operators. |
| Plotly (preview) | New article. Describes how to visualize data using the Plotly graphics library. |
August 2023
API
| Article title | Description |
|---|---|
| Create an app to get data using queued ingestion | New article. Describes how to create an app to get data using queued ingestion of the Kusto client libraries. |
General
| Article title | Description |
|---|---|
| - Get data from file - Get data from Azure storage - Get data from Amazon S3 - Create an Event Hubs data connection |
New articles. Describes the new Get data experience in Azure Data Explorer. |
| - Delete a cluster - Delete a database |
New articles. Describes how to delete an Azure Data Explorer cluster and database. |
| Monitor ingestion, commands, queries, and tables using diagnostic logs | Updated article. Refreshed content and added journal log data tab. |
Functions library
| Article title | Description |
|---|---|
| series_clean_anomalies_fl() | New article. Describes how to clean anomalous points in a series. |
Management
| Article title | Description |
|---|---|
| Use a managed identity to run an update policy | New article. Describes how to configure a managed identity to run an update policy. |
| .show databases entities command | New article. Describes how to show a database's entities. |
| .show database extents partitioning statistics | New article. Describes how to display a database's partitioning statistics. |
Query
| Article title | Description |
|---|---|
| Entity names | Updated article. Refreshed identifier naming rules and references in queries. |
| partition operator | Updated article. Refreshed content and added parameters. |
| scan operator | Updated article. Added scan logic walkthrough. |
| top-nested operator | Updated article. Refreshed content. |
July 2023
API
| Article title | Description |
|---|---|
| Connection strings overview | Updated article. Added privacy and security measures. |
| SQL external table authentication methods | Updated article. Refreshed supported authentication methods. |
General
| Article title | Description |
|---|---|
| Query data using MATLAB | New article. Describes how to query data from Azure Data Explorer using MATLAB. |
| Migration guide: Elasticsearch to Azure Data Explorer | New article. Describes how to migrate your Elasticsearch data to Azure Data Explorer. |
| Visualize data from Azure Data Explorer in Grafana | Updated article. Added Azure Managed Grafana. |
Management
| Article title | Description |
|---|---|
| Data mappings | Updated article. Added supported data formats for mapping transformations. |
| - Export data to SQL - Create and alter SQL external tables |
Updated articles. Added supported authentication methods and parameters. |
Query
| Article title | Description |
|---|---|
| - punycode_domain_from_string() - punycode_domain_to_string() |
New articles. Describes how to encode and decode a punycode domain name. |
| geo_line_to_s2cells() | New article. Describes how to use the geo_line_to_2cells() function to calculate S2 cell tokens that cover a line or a multiline on Earth. |
| extract_json() | Updated article. Added new example. |
| Pivot chart | Updated article. Added new example. |
June 2023
API
| Article title | Description |
|---|---|
| - Kusto.Language Overview - Define schemas for semantic analysis with Kusto.Language - Parse queries and commands with Kusto.Language |
New articles. Describes how to use the Kusto.Language library for parsing queries. |
| Management commands: Create an app to run management commands | New article. Describes how to create an app to run management commands using Kusto client libraries. |
Query
| Article title | Description |
|---|---|
| - Join operator - fullouter join - inner join - innerunique join - leftanti join - leftouter join - leftsemi join - rightanti join - rightouter join - rightsemi join |
Updated and new articles. Refreshed join overview and added topics describing each join kind. |
| replace_strings() | New article. Describes how to use the replace_strings() function to replace multiple string matches with multiple replacement strings. |
May 2023
General
| Article title | Description |
|---|---|
| - Azure Data Explorer web UI query overview - Add a cluster connection in the Azure Data Explorer web UI - Write Kusto Query Language queries in the Azure Data Explorer web UI - Share queries from Azure Data Explorer web UI |
New articles. Describes how to use the Azure Data Explorer web UI to interact with your data. |
| Ingest data with the NLog sink into Azure Data Explorer | New article. Describes how to use the Azure Data Explorer NLog connector to ingest data into your cluster. |
| How to architect a multitenant solution with Azure Data Explorer | New article. Describes how to architect a multitenant solution in Azure Data Explorer. |
| Create an Event Hubs data connection for Azure Data Explorer | Updated article. Integration from Azure Event Hubs page added. |
| Install the Azure Data Explorer Kusto emulator | Updated article. Describes how to install the Kusto emulator using a Linux Docker container image. |
| Customize Azure Data Explorer dashboard visuals | Updated article. Funnel chart visualization added. |
| Create Power Apps application to query data in Azure Data Explorer | Updated article. Refreshed content. |
Management
| Article title | Description |
|---|---|
| Create and alter delta external tables on Azure Storage | New article. Describes how to create and alter delta external tables on Azure Storage. |
Query
| Article title | Description |
|---|---|
| postgresql_request plugin | New article. Describes how to use the postgresql_request plugin to send a SQL query to a PostgreSql server network endpoint. |
| Treemap | New article. Describes how to use the treemap visualization to visualize data. |
| geo_info_from_ip_address() | New article. Describes how to use the geo_info_from_ip_address() function to retrieve geolocation information about IPv4 or IPv6 addresses. |
| bag_zip() | New article. Describes how to use the bag_zip() function to merge two dynamic arrays into a single property-bag of keys and values. |
April 2023
API
| Article title | Description |
|---|---|
| - Set up your development environment to use Kusto client libraries - Hello Kusto: Create your first Kusto client app - Basic query: Create an app to run basic queries |
New articles. Describes how to write code with SDKs. |
General
| Article title | Description |
|---|---|
| Azure Data Explorer web UI results grid | Updated article. New features added. |
Functions library
| Article title | Description |
|---|---|
| - log_reduce_fl() - log_reduce_full_fl() - log_reduce_predict_fl() - log_reduce_predict_full_fl() - log_reduce_train_fl() |
New articles. Describes how to find common patterns in textual logs. |
Management
| Article title | Description |
|---|---|
| Use a managed identity to run a continuous export job | New article. Describes how to use a managed identity for continuous export. |
Query
| Article title | Description |
|---|---|
| Syntax conventions for reference documentation | New article. Describes the syntax conventions for the Kusto Query Language and management command documentation. |
| - punycode_from_string() - punycode_to_string() |
New articles. Describes how to encode and decode Punycode. |
March 2023
General
| Article title | Description |
|---|---|
| Python plugin packages for Azure Data Explorer | New article. Lists the available Python packages in the Azure Data Explorer Python plugin. |
| - Ingest data with the Serilog sink into Azure Data Explorer - Ingest data with the Apache log4J 2 connector |
New articles. Describe how to ingest data into Azure Data Explorer using the Serilog sink, and the Apache Log4j 2 connectors. |
| Manage Event Hubs data connections in your free Azure Data Explorer cluster | New article. Describes how to manage Azure Event Hubs data connections in a free Azure Data Explorer cluster. |
| Manage language extensions in your Azure Data Explorer cluster | Updated article. Steps added for changing the Python language extensions image in an Azure Data Explorer cluster. |
Management
| Article title | Description |
|---|---|
| Manage view access to tables in Azure Data Explorer | New article. Describes how to grant access to tables in Azure Data Explorer. |
| - Materialized views - .show materialized-view(s) - .show materialized-view extents - .show materialized-view failures - .show materialized-view schema - .alter materialized-view autoUpdateSchema - .alter materialized-view docstring - .alter materialized-view folder - .alter materialized-view lookback - .alter materialized-view - .clear materialized-view data - .create-or-alter materialized-view - .create materialized-view - .drop materialized-view - .disable .enable materialized-view - .rename materialized-view - .show materialized view details |
New and updated articles. Describe materialized-view commands. Parameters and examples added. |
| - .alter extent tags - .drop extent tags - .move extents - .replace extents |
Updated articles. Command syntax updated. |
Query
| Article title | Description |
|---|---|
| - Kusto.Explorer code features - Kusto Explorer options - Kusto.Explorer keyboard shortcuts (hot keys) - Using Kusto.Explorer - Kusto.Explorer installation and user interface |
Updated articles. Refreshed content. |
February 2023
API
| Article title | Description |
|---|---|
| Authentication over HTTPS | Updated article. REST API authorization examples added. |
General
| Article title | Description |
|---|---|
| Manage Azure Data Explorer cluster locks to prevent accidental deletion in your cluster | New article. Describes how to manage cluster locks to prevent accidental deletion of data using the Azure portal. |
| Connect from common apps | New article. Describes how to connect to Azure Data Explorer with SQL Server emulation from various apps. |
| - Connect to Azure Data Explorer with JDBC - Connect to Azure Data Explorer with SQL Server emulation - Connect to Azure Data Explorer with ODBC |
New articles. Describes how to connect to Azure Data Explorer with different connection apps. |
| Azure Data Explorer as a linked server from SQL Server | New article. Describes how to connect Azure Data Explorer as a linked server from SQL Server. |
| Set timeout limits | New article. Describes how to set query timeout limits. |
| Data connectors overview | New article. Describes available data connectors and their capabilities. |
| - Customize settings in the Azure Data Explorer web UI - Azure Data Explorer web UI results grid - Share queries from Azure Data Explorer web UI - Quickstart: Visualize sample data dashboards - Explore the samples gallery |
New articles. Describes how to use, query, visualize, and share queries in the Azure Data Explorer web UI. |
| Query data using T-SQL | Updated article. Support limitations added. |
| What is the ingestion wizard? | Updated article. Management actions added. |
January 2023
General
| Article title | Description |
|---|---|
| - Allow cross-tenant queries and commands - Referencing security principals |
Updated articles. Renewed and restructured referencing of security principals and identity providers. |
Functions library
| Article title | Description |
|---|---|
| - plotly_anomaly_fl() - plotly_scatter3d_fl() |
New articles. Describes how to customize a plotly template. |
Management
| Article title | Description |
|---|---|
| - .dup-next-failed-ingest - .dup-next-ingest |
New articles. Describes how to troubleshoot data on demand. |
Query
| Article title | Description |
|---|---|
| - render operator - Anomaly chart - Area chart - Bar chart - Card - Column chart - Ladder chart - Line chart - Pie chart - Pivot chart - Scatter chart - Stacked area chart - Table - Time chart - Time pivot |
Updated and new articles. Refreshed render overview and added topics describing each render visualization. |
| series_dot_product() | New article. Describes how to calculate the dot product of two numeric series. |
| hll_if() (aggregation function) | New article. Describes how to calculate the intermediate results of the dcount() function. |
| bag_set_key() | New article. Describes how to set a given key to a given value in a dynamic property bag. |
December 2022
General
| Article title | Description |
|---|---|
| Find an Azure Data Explorer partner | New article. Describes the Azure Data Explorer Find My Partner Program. |
| Manage Azure Data Explorer cluster permissions | New article. Describes how to manage role-based access controls for clusters. |
| Ingestion behavior of invalid data | New article. Describes the possible outcomes of ingesting invalid data |
| Use data from Azure Data Explorer in Power BI | New article. Describes how to use data from Azure Data Explorer in Power BI. |
| - Ingest data from Azure Cosmos DB into Azure Data Explorer (preview) - Get latest versions of Azure Cosmos DB documents (preview) |
New articles. Describes how to load data and get the latest versions of Azure Cosmos DB documents. |
| Configure a database using a Kusto Query Language script | Updated article. Database scripts supports .add verb. |
November 2022
Functions library
| Article title | Description |
|---|---|
| - series_mv_ee_anomalies_fl() - series_mv_if_anomalies_fl() - series_mv_oc_anomalies_fl() |
New article. Describes multivariate anomalies in a series user-defined functions. |
Management
| Article title | Description |
|---|---|
| .show function(s) | Updated article. Added optional arguments and tables to .show function. |
Query
| Article title | Description |
|---|---|
| - unicode_codepoints_from_string() - unicode_codepoints_to_string() |
Updated articles. Unicode codepoints conversion functions for strings. |
| - ipv6_is_in_any_range() - ipv6_is_in_range() |
New articles. Functions that check whether an IPv6 address is in a range. |
| - count_distinct() (aggregation function) - (preview) - count_distinctif() (aggregation function) - (preview) |
New articles. Count unique values specified by the scalar expression per summary group. |
| - series_ceiling() - series_floor() - series_log() |
New articles. Calculate the element-wise functions of the numeric series input. |
| - bin_auto() - binary_shift_left() - binary_shift_right() - binary_xor() - bin_at() - bin() - bitset_count_ones() - buildschema() (aggregation function) - case() - ceiling() - cosmosdb_sql_request plugin |
Updated articles. Added new tables and examples. |
October 2022
General
| Article title | Description |
|---|---|
| Ingest data from OpenTelemetry | New article. Describes how to create a connector to ingest data from OpenTelemetry. |
| Managed identities overview | Updated article. Added continuous export with Managed Identity. |
September 2022
API
| Article title | Description |
|---|---|
| Kusto.Data exceptions | New article. Describes Kusto.Data exceptions. |
| Evaluate query performance in your cluster | New article. Describes how to load test a cluster's query performance. |
General
| Article title | Description |
|---|---|
| POC playbook: Big data analytics | New article. Describes a high-level methodology for running an effective proof of concept (POC) project. |
| Azure Data Explorer web UI keyboard shortcuts | New article. Describes query keyboard shortcuts in the web UI. |
| Optimize queries that use named expressions | New article. Describes how to optimize repeat use of named expressions in a query. |
| - Kusto emulator overview - Install the Kusto emulator |
New articles. Describes the Kusto emulator, how to install it, and run your first query. |
August 2022
General
| Article title | Description |
|---|---|
| - Use the ingestion wizard to ingest JSON data - Web UI overview |
Updated articles. Added references to ingestion wizard and updated UI. |
Management
| Article title | Description |
|---|---|
| .cancel operation command | New article. Describes how to use the .cancel operation command. |
| How to authenticate with Microsoft Entra ID | Updated article. Updated with Microsoft Authentication Library authentication. |
| .drop extents | Updated article. Added examples to drop specific extents. |
| Queries management | Updated article. Added show by user command. |
| - Ingest from storage | Updated article. Added ingest from Amazon S3. |
| - .create-or-alter function - .create function |
New and updated article. Added new parameter for stored view. |
July 2022
General
| Article title | Description |
|---|---|
| Upgrade a free cluster | New Article. Describes how to upgrade a free cluster to a full cluster without losing your data. |
Management
| Article title | Description |
|---|---|
| .alter extent tags | Updated article. Added documentation for alter-merge extent tags. |
Query
| Article title | Description |
|---|---|
| - convert_angle - convert_energy - convert_force - convert_length - convert_mass - convert_speed - convert_temperature - convert_volume |
New articles. New functions for converting values. |
| parse-kv operator | New Article. Describes how to extract structured information from a string in key/value form. |
| - Scalar function types at a glance - arg_max() (aggregation function) - arg_min() (aggregation function) - avg() (aggregation function) - max() (aggregation function) - min() (aggregation function) - sum() (aggregation function) |
Updated articles. Added new examples. |
June 2022
| Article title | Description |
|---|---|
| Ingest data from Azure Stream Analytics (preview) | New Article. Describes how to ingest (load) data from Azure Stream Analytics. |
| Azure Data Explorer web UI overview | New Article. Describes the elements of web UI home page and the data analytics journey. |
| Explore the Azure Data Explorer web UI samples gallery | New Article. Describes how to use the samples gallery in the web UI. |
| Select a SKU for your Azure Data Explorer cluster | Updated Article. New SKU list and refreshed content. |
May 2022
| Article title | Description |
|---|---|
| Ingest data from Telegraf | New Article. Describes how to ingest data into your cluster from Telegraf. |
| Ingest data using managed identity authentication | New Article. Queue Azure Storage blobs for ingestion using managed identity authentication. |
| - Azure Data Explorer connector for Microsoft Power Automate - Usage examples for Power Automate connector - Create Power Apps application to query data in Azure Data Explorer - Microsoft Logic App and Azure Data Explorer |
Updated articles. General availability (GA). Content refreshed. |
| Use parameters in Azure Data Explorer dashboards | Updated Article. Added section on drillthrough. |
April 2022
| Article title | Description |
|---|---|
| - Enable disk encryption for your cluster - Secure your cluster with encryption - Enable double encryption for your cluster |
New articles. Describing securing your cluster using disk encryption. |
| - Create a managed private endpoint for your cluster - Network security - Create a private endpoint for your cluster - Troubleshoot private endpoints - Private endpoints for your cluster - Restrict outbound access from your cluster - Restrict public access to your cluster |
New articles. Describes private endpoint security. |
Management
| Article title | Description |
|---|---|
| Streaming ingestion failures | New article. Describes the command to show streaming ingestion failures. |
| Streaming ingestion statistics | New article. Describes the command to show streaming ingestion statistics. |
March 2022
Functions library
| Article title | Description |
|---|---|
| pairwise_dist_fl() | New article. Describes the pairwise_dist_fl() user-defined function. |
| series_uv_anomalies_fl() | New article. Describes the series_uv_anomalies_fl() user-defined function. |
| series_uv_change_points_fl() | New article. Describes the series_uv_change_points_fl() user-defined function. |
Management
| Article title | Description |
|---|---|
| Clear schema cache for cross-cluster queries | New article. Describes how to manually clear the cross-cluster query cache. |
Query
| Article title | Description |
|---|---|
| http_request plugin / http_request_post plugin | New article. Describes the http_request plugin. |
| Cross-database and cross-cluster queries | Updated article. Updated links to cross-cluster queries and schema changes page. |
| Cross-cluster queries and schema changes | New article. Describes cross-cluster queries and schema changes. |
February 2022
| Article title | Description |
|---|---|
| What is a free cluster? | New article. Describes how to get started with a free Azure Data Explorer cluster. |
| Cross-tenant data connection | New article. Describes how to create cross-tenant data connections for Azure Event Hubs or Azure Event Grid services in a different tenant. |
| Automated provisioning | New article. Maps different articles for automating the provisioning of clusters. |
Functions library
| Article title | Description |
|---|---|
| series_lag_fl() | New article. Describes the series_lag_fl() user-defined function. |
January 2022
| Article title | Description |
|---|---|
| Use the sample app generator to create code to ingest and query your data | New Article. Describes how to use the sample app generator for your preferred programming language. |
API
| Article title | Description |
|---|---|
| Azure Data Explorer API overview | Updated article. Added new tip and link to the doc on using the one-click sample app generator. |
December 2021
| Article title | Description |
|---|---|
| Use parameters in dashboards | Updated article. Added new section for cross-filters as dashboard parameters. |
Functions library
| Article title | Description |
|---|---|
| time_window_rolling_avg_fl() | New Article. Describes the function that calculates the rolling average of a metric over a constant duration time window. |
November 2021
| Article title | Description |
|---|---|
| Automatic stop of inactive clusters | New article. Inactive clusters are automatically stopped. |
| Solution architectures | New article. Lists references to the architectures that include Azure Data Explorer. |
| Delete data | Updated article. Added new sections for purge and soft delete. |
Query
| Article title | Description |
|---|---|
| [Soft delete] | New article. Describes the data soft delete function. |
October 2021
| Article title | Description |
|---|---|
| Create an Event Grid data connection using C# | Updated article. AddedEvent Grid data connection from Azure portal. |
| Create an Event Grid data connection using Python | Updated article. |
| Manually create resources for Event Grid ingestion | Updated article. AddedEvent Grid data connection from Azure portal. |
| Event Grid data connection | Updated article. AddedEvent Grid data connection from Azure portal. |
| Ingest blobs by subscribing to Event Grid notifications | Updated article. Added Event Grid data connection from Azure portal. |
| Add cluster principals using C# | Updated article. AddedAllDatabasesMonitor role. |
| Add cluster principals using Python | Updated article. Added AllDatabasesMonitor role. |
| Add cluster principals using an Azure Resource Manager template | Updated article. Added AllDatabasesMonitor role. |
| Add database principals using Python | Updated article. AddedAllDatabasesMonitor role. |
| Manage Azure Data Explorer database permissions | Updated article. Added AllDatabasesMonitor role. |
Management
| Article title | Description |
|---|---|
| Role-based access control in Kusto | Updated article. Materialized views rename source table. |
| Cache policy (hot and cold cache) | Updated article. Caching with long storage. |
| Role-based access control in Kusto | Updated article. Using the AllDatabasesMonitor role. |
September 2021
| Article title | Description |
|---|---|
| Ingest data from event hub into Azure Data Explorer | Updated article. Learn how to connect event hub with managed identity. |
Query
| Article title | Description |
|---|---|
| Views | New article. Learn how to use views, which are virtual tables based on the result-set of a query. |
| Entity types | Updated article. Added information on how to use views. |
August 2021
| Article title | Description |
|---|---|
| Use wizard for ingestion with LightIngest (preview) | New article. Learn how to use a wizard for one-time ingestion of historical data with LightIngest. |
| Use one-click ingestion to create an event hub data connection | Updated article. One click event hub experience. |
| Use LightIngest to ingest data into Azure Data Explorer | Updated article. Generate LightIngest commands - one click experience. |
Query
| Article title | Description |
|---|---|
| series_pow() | New article. Calculates the element-wise power of two numeric series inputs. |
| Aggregation function types at a glance | New article. Lists aggregation functions, which perform a calculation on a set of values and return a single value. |
| Scalar function types at a glance | Updated article. Updated aggregation function and added series_pow. |
| materialized_view() function | Updated article. Updated aggregation function. |
Management
| Article title | Description |
|---|---|
| .alter query weak consistency policy | New article. |
| Query weak consistency policy | New article. |
| .show query weak consistency policy | New article. |
Functions library
| Article title | Description |
|---|---|
| pair_probabilities_fl() | New article. The function pair_probabilities_fl()calculates probabilities and metrics. |
| bartlett_test_fl() | New article. The function bartlett_test_fl() performs the Bartlett Test. |
| levene_test_fl() | New article. The function levene_test_fl() performs the Levene Test. |
| mann_whitney_u_test_fl() | New article. The function mann_whitney_u_test_fl() performs the Mann-Whitney U Test. |
| wilcoxon_test_fl() | New article. The function wilcoxon_test_fl() performs the Wilcoxon Test. |
July 2021
| Article title | Description |
|---|---|
| Monitor batching ingestion with metrics | New article. Learn how to use Azure Data Explorer metrics to monitor batching ingestion to Azure Data Explorer in Azure portal. |
| Create an external table using the Azure Data Explorer web UI wizard | Updated article. New UI. |
| Use one-click ingestion to create an event hub data connection | Updated article. New UI. |
| Use one-click ingestion to ingest JSON data from a local file to an existing table in Azure Data Explorer | Updated article. New UI. |
| Ingest data from a container/ADLS into Azure Data Explorer | Updated article. New UI. |
| Create a table in Azure Data Explorer | Updated article. New UI. |
Query
| Article title | Description |
|---|---|
| replace_string() | New article. Replaces all string matches with another string. |
| take_any() (aggregation function) | New article. Replaces any(). |
| take_anyif() (aggregation function) | New article. Replaces anyif(). |
| replace_regex() | Updated article. Replace() function changed to replace_regex(). |
Management
| Article title | Description |
|---|---|
| .alter extent tags retention policy | New article. |
| .delete extent tags retention policy | New article. |
| Extent tags retention policy | New article. The extent tags retention policy controls the mechanism that automatically removes extent tags from tables, based on the age of the extents. |
| .show extent tags retention policy | New article. |
| Stored query results | Updated article. General Availability. |
Functions library
| Article title | Description |
|---|---|
| two_sample_t_test_fl() | New article. The function two_sample_t_test_fl() performs the Two-Sample T-Test. |
June 2021
| Article title | Description |
|---|---|
| -Monitor Azure Data Explorer ingestion, commands, queries, and tables using diagnostic logs - Monitor Azure Data Explorer performance, health, and usage with metrics |
Updated articles. Document batching types. |
Query
| Article title | Description |
|---|---|
| rows_near() plugin | New article. Finds rows near a specified condition. |
| has_any_ipv4() | New article. Returns a value indicating whether one of specified IPv4 addresses appears in a text. |
| has_any_ipv4_prefix() | New article. Returns a value indicating whether one of specified IPv4 address prefixes appears in a text. |
Management
| Article title | Description |
|---|---|
| IngestionBatching policy | Updated article. Document batching types |
May 2021
| Article title | Description |
|---|---|
| Use follower databases | Updated article. Added table level sharing. |
April 2021
Query
| Article title | Description |
|---|---|
| has_ipv4() | New article. Returns a value indicating whether a specified IPv4 address appears in a text. |
| has_ipv4_prefix() | New article. Returns a value indicating whether a specified IPv4 address prefix appears in a text. |
| scan operator (preview) | New article. Scans data, matches, and builds sequences based on the predicates. |
| Query results cache | Updated article. Per shard query results cache added. |
| The string data type | Updated article. |
| Null Values | Updated article. |
Management
| Article title | Description |
|---|---|
| Workload groups - Management commands | Updated article. General Availability (GA). |
| Workload groups | Updated article. General Availability (GA). |
| Materialized views | Updated article. General Availability (GA). |
| Materialized views policies | Updated article. General Availability (GA). |
Functions library
| Article title | Description |
|---|---|
| time_weighted_avg_fl() | New article. The function time_weighted_avg_fl() calculates the time weighted average of a metric in a given time window, over input time bins. |
API
| Article title | Description |
|---|---|
| Request properties and ClientRequestProperties | Updated article. Per shard query results cache added. |
March 2021
| Article title | Description |
|---|---|
| Create an external table (preview) | New article. An external table is a schema entity that references data stored outside the Azure Data Explorer database. |
Management
| Article title | Description |
|---|---|
| - Auto delete policy command - Auto delete policy |
New articles. An auto delete policy on a table sets an expiry date for the table. |
| Stored query results (preview) | Updated article. Added async mode. |
Functions library
| Article title | Description |
|---|---|
| binomial_test_fl() | New article. The function binomial_test_fl() performs the binomial test. |
| comb_fl() | New article. The function comb_fl()calculates C(n, k), the number of combinations for selection of k items out of n, without order. |
| factorial_fl() | New article. The function factorial_fl()calculates factorial of positive integers (n!). |
| perm_fl() | New article. The function perm_fl()calculates P(n, k), the number of permutations for selection of k items out of n, with order. |
February 2021
| Article title | Description |
|---|---|
| Optimize for high concurrency with Azure Data Explorer | New article. In this article, you learn to optimize your Azure Data Explorer setup for high concurrency. |
| Quickstart: Query data in Azure Data Explorer web UI | Updated article. Explanation of table grid options. |
Query
| Article title | Description |
|---|---|
| ipv4_is_in_range() | New article. Checks if IPv4 string address is in IPv4-prefix notation range. |
| ipv4_netmask_suffix() | New article. Returns the value of the IPv4 netmask suffix from IPv4 string address. |
| has_all operator | New article. has_all operator filters based on the provided set of values (all values must be present). |
| row_rank() | New article. Returns the current row's rank in a serialized row set. |
| Null Values | Updated article. New behavior in Engine V3. |
| String operators | Updated article. String term indexing for Engine V3. |
Management
| Article title | Description |
|---|---|
| Materialized views data purge | New article. Data purge commands can be used to purge records from materialized views. |
| .alter materialized-view lookback | New article. Alters the lookback value of an existing materialized view. |
| .alter materialized-view autoUpdateSchema | New article. Sets the autoUpdateSchema value of an existing materialized view to true or false. |
| .alter materialized-view docstring | New article. Alters the DocString value of an existing materialized view. |
| .alter materialized-view folder | New article. Alters the folder value of an existing materialized view. |
| .create-or-alter materialized-view | New article. Creates a materialized view or alters an existing materialized view. |
| Materialized views policies | New article. Includes information about policies that can be set on a materialized view. |
| Request queuing policy (preview) | New article. A workload group's request queuing policy controls queueing of requests for delayed execution, once a certain threshold of concurrent requests is exceeded. |
Functions library
| Article title | Description |
|---|---|
| series_dbl_exp_smoothing_fl() | New article. Applies a double exponential smoothing filter on a series. |
January 2021
| Article title | Description |
|---|---|
| Azure Policy Regulatory Compliance controls | New article. This page lists the compliance domains and security controls. |
| Allow cross-tenant queries and commands | New article. In this article, you'll learn how to give cluster access to principals from another tenant. |
Management
| Article title | Description |
|---|---|
| Clean extent containers commands | New article. Describes the .clean databases extentcontainers and .show database extentcontainers clean operations commands. |
| Request classification policy (preview) Request classification policy (preview) - Management commands |
New articles. The classification process assigns incoming requests to a workload group, based on the characteristics of the requests. |
| Request limits policy (preview) | New article. A workload group's request limits policy allows limiting the resources used by the request during its execution. |
| Request rate limit policy (preview) | New article. The workload group's request rate limit policy lets you limit the number of concurrent requests classified into the workload group. |
| Workload groups (preview) Workload groups (preview) - Management commands |
New articles. A workload group serves as a container for requests (queries, commands) that have similar classification criteria. A workload allows for aggregate monitoring of the requests, and defines policies for the requests. |
| Queries management | Updated article. Syntax updated |
December 2020
| Article title | Description |
|---|---|
| Ingestion error codes in Azure Data Explorer | New article. This list contains error codes you may come across during ingestion. |
Management
| Article title | Description |
|---|---|
| .create table based-on | New article. Creates a new empty table based on existing table. |
| Stored query results (preview) | New article. Stored query results is a mechanism that temporarily stores the result of a query on the service. |
| Create and alter Azure Storage external tables | Updated article. Document filesPreview and dryRun external table definition options |
| Export data to an external table | Updated article. New external table syntax in export docs |
Functions library
| Article title | Description |
|---|---|
| series_metric_fl() | New article. The series_metric_fl() function selects and retrieves time series of metrics ingested to Azure Data Explorer using the Prometheus monitoring system. |
| series_rate_fl() | New article. The function series_rate_fl() calculates the average rate of metric increase per second. |
| series_fit_lowess_fl() | New article. The function series_fit_lowess_fl() applies a LOWESS regression on a series. |
November 2020
| Article title | Description |
|---|---|
| Azure Policy built-in definitions | New article. Index of Azure Policy built-in policy definitions. |
| Use one-click ingestion to create an event hub data connection | New article. Connect an event hub to a table using the one-click ingestion experience. |
| Configure managed identities for your cluster | Updated article. Supports both user-assigned managed identities and system-assigned managed identities |
| Create a table | Updated article. General availability (GA). |
| Quickstart: Query data in Azure Data Explorer web UI | Updated article. New capabilities. |
| What is one-click ingestion? | Updated article. Added ingestion from JSON nested levels. General availability (GA). |
| Customize Azure Data Explorer dashboard visuals | Updated article. New dashboard visuals and parameter changes. |
Query
| Article title | Description |
|---|---|
| mysql_request plugin (preview) | New article. The mysql_request plugin sends a SQL query to a MySQL Server network endpoint and returns the first rowset in the results. |
| ipv4_lookup plugin | New article. The ipv4_lookup plugin looks up an IPv4 value in a lookup table and returns rows with matched values. |
| ipv4_is_private() | New article. Checks if IPv4 string address belongs to a set of private network IPs. |
| Splunk to Kusto Query Language map | New article. This article is intended to assist users who are familiar with Splunk learn the Kusto Query Language to write log queries with Kusto. |
| gzip_compress_to_base64_string() | New article. Performs gzip compression and encodes the result to base64. |
| gzip_decompress_from_base64_string() | New article. Decodes the input string from base64 and performs gzip decompression. |
| array_reverse() | New article. Reverses the order of the elements in a dynamic array. |
Management
| Article title | Description |
|---|---|
| .disable plugin | New article. Disables a plugin. |
| .enable plugin | New article. Enables a plugin. |
| .show plugins | New article. Lists all plugins of the cluster. |
| Follower commands | Updated article. Syntax changed, added .alter follower database prefetch-extents. |
Functions library
| Article title | Description |
|---|---|
| series_downsample_fl() | The function series_downsample_fl() downsamples a time series by an integer factor. |
| series_exp_smoothing_fl() | Applies a basic exponential smoothing filter on a series. |