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This article mainly shows you "MySQL how to use JSON function", the content is easy to understand, clear, hope to help you solve doubts, the following let Xiaobian lead you to study and learn "MySQL how to use JSON function" this article.

JSON function (only supported in version 5.7)

Command: json_object (function)

Function: convert json strings

Application scenario: specify data conversion json string

Example:

Mysql > select json_object ("name", "andyqian", "database", "MySQL") +-- + | json_object ("name", "andyqian", "database" "MySQL") | +-- + | {"name": "andyqian" "database": "MySQL"} | +-+ 1 row in set (0.00 sec)

These include json_array:

Mysql > select json_array ("name", "andyqian", "database", "MySQL") +-- + | json_array ("name", "andyqian", "database", "MySQL") | +-- + | ["name" "andyqian", "database", "MySQL"] | +-+ 1 row in set (0.00 sec)

Determine whether it is the json_valid () of the json string:

Select json_valid ('{"name": "andyqian", "database": "MySQL"}')

1 if it is a valid json string.

0. 0 if the json string is invalid.

There are many ways not to demonstrate them one by one.

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