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The MySQL JSON_STORAGE_FREE function returns the amount of storage space freed after a JSON column has been updated by JSON_SET, JSON_REPLACE, or JSON_REMOVE. This function is useful for optimizing storage usage when performing partial updates on JSON columns. Syntax JSON_STORAGE_FREE(json_val) Where: json_val is the JSON value or JSON string that represents the updated JSON column. […]
The JSON_SET function in MySQL is used to insert or update values in a JSON document. It allows you to modify a JSON document by adding new key-value pairs or updating existing ones. The function effectively combines the functionality of JSON_INSERT and JSON_REPLACE, simplifying the process of modifying JSON data within a single statement. Syntax […]
The JSON_SEARCH function in MySQL is used to search for a specified value within a JSON document. It returns the path to the first occurrence of the specified value within the JSON document. This function is particularly useful when working with JSON data stored in MySQL databases. Syntax Here is the basic syntax of the […]
In MySQL, the JSON_SCHEMA_VALIDATION_REPORT function serves an essential role in validating JSON documents against JSON schemas. It provides a comprehensive report on validation failures, enabling developers to identify and rectify errors effectively. This functionality is particularly valuable for maintaining data integrity and ensuring adherence to specific data structures. Syntax The syntax of the JSON_SCHEMA_VALIDATION_REPORT function […]
The JSON_SCHEMA_VALID function in MySQL is used to validate a JSON document against a JSON schema. It is a valuable tool for ensuring the integrity and consistency of JSON data stored in MySQL databases. The primary purpose of the JSON_SCHEMA_VALID function is to enforce data validation rules within MySQL. By comparing a JSON document to […]
The JSON_REPLACE function in MySQL is used to replace a specific value in a JSON document with a new value. It allows you to update the content of a JSON object by specifying the path to the element you want to replace and providing the new value. Syntax Here is the syntax for the JSON_REPLACE […]
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