MySQL Tipps und Tricks

Tipps und Tricks

Oneliner

All grants

# mysql --skip-column-names --batch --execute 'select concat_ws("@",user,host) from mysql.user' | xargs -n 1 -i mysql --execute 'show grants for {}'

InnoDB space

Per database

mysql> select table_schema, sum(round(data_length/1024/1024,2)) as total_size_mb from information_schema.tables where engine like 'innodb' group by table_schema;

Per table

mysql> select table_schema,table_name,concat_ws(" ",round(data_length/1024/1024,2),"MB") as size_mb from information_schema.tables order by size_mb;