JSON Functions (Transact-SQL)

Applies to: SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics

Use the functions described on the pages in this section to validate or change JSON text or to extract simple or complex values.

Function	Description
ISJSON	Tests whether a string contains valid JSON.
JSON_VALUE	Extracts a scalar value from a JSON string.
JSON_QUERY	Extracts an object or an array from a JSON string.
JSON_MODIFY	Updates the value of a property in a JSON string and returns the updated JSON string.
JSON_PATH_EXISTS	Tests whether a specified SQL/JSON path exists in the input JSON string.

For more info about the built-in support for JSON in SQL Server, see JSON Data (SQL Server).

See Also

• Validate, Query, and Change JSON Data with Built-in Functions (SQL Server)
• JSON Path Expressions (SQL Server)
• JSON Data (SQL Server)