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The JSON_MERGE_PATCH function in MySQL is used to merge two JSON objects, where the values from the second JSON object overwrite the corresponding values in the first one. If a key exists in both JSON objects, the value from the second object is used. If a key exists in the first object but not in […]
The MySQL JSON_MERGE function is used to combine two or more JSON documents into a single document. It is a versatile tool for working with JSON data in MySQL, enabling you to merge nested structures, arrays, and scalar values. The function was introduced in MySQL 5.7.22 and has been deprecated since MySQL 8.0.3. However, it […]
The JSON_LENGTH function in MySQL is used to find the number of elements in a JSON array or the number of keys in a JSON object. This function helps you retrieve the length of a JSON array or the number of keys in a JSON object within a MySQL database. The JSON_LENGTH function can be […]
The JSON_KEYS function in MySQL is used to extract the keys from a JSON object. It returns a JSON array containing the keys of the input JSON object. This function can be particularly useful when you want to retrieve the keys of a JSON document and use them for further processing or analysis. Syntax Here […]
The JSON_INSERT function in MySQL is used to insert a new value into a specified JSON document at a specified path. This function is particularly useful when working with JSON data types in MySQL, allowing you to modify and update JSON documents. Syntax Here is the syntax for the JSON_INSERT function: JSON_INSERT(json_doc, path, val[, path, […]
The JSON_EXTRACT function in MySQL is used to extract data from a JSON document. It allows you to retrieve a specific value or object from a JSON string based on a given JSON path expression. This function is particularly useful when dealing with JSON data stored in a MySQL database. Syntax JSON_EXTRACT(json_document, path) json_document: The […]
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