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Connaître la taille des bases + Connaître la taille des tables d'une base

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Benoît S. 2018-01-08 11:43:47 +01:00
parent 2716634621
commit e7e5cd9bdd
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HowtoMySQL/Troubleshooting.md
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@ -544,3 +544,24 @@ Enfin supprimer l'utilisateur root :
~~~ ~~~
MariaDB [(none)]> DELETE FROM mysql.user where User='root'; MariaDB [(none)]> DELETE FROM mysql.user where User='root';
~~~ ~~~
## Connaître la taille des bases
~~~
$ mysql mysql
mysql> SELECT table_schema AS "Database Name",
ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS "Size in (MB)"
FROM information_schema.TABLES
GROUP BY table_schema;
~~~
## Connaître la taille des tables d'une base
~~~
$ mysql mysql
mysql> SELECT table_name AS "Table Name",
ROUND(((data_length + index_length) / 1024 / 1024), 2) AS "Size in (MB)"
FROM information_schema.TABLES
WHERE table_schema = "<NOM_BDD>"
ORDER BY (data_length + index_length) DESC;
~~~