Sql server updating existing xml data using replace function

Most of the modern services return the data in JSON text.It checks if the supplied NVARCHAR text input is in proper format according to JSON specification or not.In the following example, it shows JSON data as key-value pair with its type.In the following example, the Employee Info object and the Addresses object are fetched and applied to Cross join on.Using these functions, we can play around with the JSON object.

The new attribute is always added at the end of the existing string.

This function is very useful to check input string in JSON format before it stores to the database.

This function returns an INT value, if the string is properly formatted as JSON, it returns 1 else it returns 0.

We can do either insert, update, delete or append a value to the JSON string using this function.

It takes three parameters, first parameter is JSON string, second parameter is path on which value needs to change and the third parameter is the value that needs to update.

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