Monday , May 20 2024

JSON Functions in SQL Server(TSQL)

The importance of JSON data type in our lives continues to increase day by day. We will examine the functions that SQL Server provides us for the JSON data type in this article.

There are 4 function for JSON in SQL Server;


ISJSON Function in SQL Server(TSQL):

This functions checks the parameter, and if the parameter is a valid JSON it returns 1. If it is not valid JSON it returns 0.

JSON_VALUE and JSON_QUERY Functions in SQL Server(TSQL):

JSON_VALUE extracts a scalar value from the JSON and JSON_QUERY extracts an object or an array from the JSON.

The last line of the SELECT Clause returns NULL value. Because JSON_VALUE returns only scalar value.

JSON_MODIFY Function in SQL Server(TSQL):

We can update a property of a JSON using JSON_MODIFY function. It returns updated JSON.


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