Getting the size of a MySQL database

This is the command to get the size of the MySql database

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;