sys.database_ledger_transactions (Transact-SQL)
Applies to: SQL Server 2022 (16.x) Azure SQL Database Azure SQL Managed Instance
Captures the cryptographically protected history of database transactions against ledger tables in the database. A row in this view represents a database transaction.
For more information on database ledger, see Ledger.
Column name | Data type | Description |
---|---|---|
transaction_id | bigint | A transaction ID that is unique for the database (it corresponds to a transaction ID in the database transaction log). |
block_id | bigint | A sequence number identifying a row. |
transactional_ordinal | int | Offset of the transaction in the block. |
commit_time | datetime2(7) | The time of the committing transaction. |
principal_name | sysname | The name of the user who started the transaction. Captured by calling ORIGINAL_LOGIN() . |
table_hashes | varbinary(max) | This is a set of key-values pairs, stored in a binary format. The keys are object IDs (from sys.objects) of ledger database tables, modified by the transaction. Each value is a SHA-256 hash of all row versions a transaction created or invalidated. The binary format of data stored in this row is: <version><length>[<key><value>] , where- version - indicates the encoding version. Length: 1 byte.- length - the number of entries in the key-value pair list. Length: 1 byte.- key - an object ID. Length: 4 bytes.- value - the hash of rows the transaction cached in the table with the object ID stored as the key. Length: 32 bytes. |
Permissions
Requires the VIEW LEDGER CONTENT permission.
See also
Phản hồi
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