Datenbank Größen anzeigen lassen

SELECT
  table_schema AS 'Datenbankname',
  Round( SUM( data_length ) / 1024 / 1024, 3 ) AS 'Daten (MB)',
  Round( SUM( index_length ) / 1024 / 1024, 3 ) AS 'Index (MB)',
  Round( Sum( data_length + index_length ) / 1024 / 1024, 3 ) AS 'Gesamt (MB)',
  Round( Sum( data_free ) / 1024 / 1024, 3 ) AS 'Freier Speicher (MB)'
FROM information_schema.tables
GROUP BY table_schema ;