MySQL Tipps und Tricks: Difference between revisions

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===Per table===
===Per table===
<source lang=mysql>
<source lang=mysql>
mysql> select table_schema,table_name,round(data_length/1024/1024,2) as size_mb from information_schema.tables order by size_mb;
mysql> select table_schema as database,table_name,round(data_length/1024/1024,2) as size_mb from information_schema.tables order by size_mb;
</source>
</source>

Revision as of 09:29, 11 August 2015

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 as database,table_name,round(data_length/1024/1024,2) as size_mb from information_schema.tables order by size_mb;