How to get your MySQL / MariaDB Database size.

To get your DATABASE  size in MySQL/MariaDB , you can use the following query.

MariaDB [(none)]> SELECT table_schema “Data Base Name”,
sum( data_length + index_length ) / 1024 / 1024 “Data Base Size in MB”,

sum( data_free )/ 1024 / 1024 “Free Space in MB”
FROM information_schema.TABLES
GROUP BY table_schema ;

Screenshot of the QUERY and  OUTPUT are shown bellow

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