Datenbank und Tabellen Größen in SQL anzeigen

new_gist_file.sql

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 ; 


SELECT
  TABLE_NAME AS `Table`,
  ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)`
FROM
  information_schema.TABLES
WHERE
  TABLE_SCHEMA = "TABELENNAMMENEINTRAGEN"
ORDER BY
  (DATA_LENGTH + INDEX_LENGTH)
DESC;