Learn about the JSON_COMPACT function in MariaDB. This function removes all unnecessary whitespace from a JSON document, minimizing its size for efficient storage and transmission.
SET @j = '{ "A": 1, "B": [2, 3]}';
SELECT JSON_COMPACT(@j), @j;
+-------------------+------------------------+
| JSON_COMPACT(@j) | @j |
+-------------------+------------------------+
| {"A":1,"B":[2,3]} | { "A": 1, "B": [2, 3]} |
+-------------------+------------------------+