MySQL - Show databases in the instance

SHOW DATABASES;

SELECT TABLE_SCHEMA, 

COUNT(TABLE_NAME) as tableCount, 

        SUM(Data_Length)/1048576 as tablespaceUsedMB, 

        SUM(Index_Length)/1048576 as indexMB, 

        SUM(DATA_LENGTH+INDEX_LENGTH)/1048576 as totalDatabaseSize 

FROM INFORMATION_SCHEMA.TABLES GROUP BY TABLE_SCHEMA;