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docs/MySQL/size.md

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+categories: mysql
+title: Taille des bases de données et tables
+
+#### Obtenir la taille de *toutes* les bases de données présentes sur le serveur :
+
+```bash
+SELECT table_schema AS 'DB Name', ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) AS 'DB Size in MB' FROM information_schema.tables GROUP BY table_schema;
+```
+
+#### Obtenir la taille d'une base en particulier :
+
+```bash
+SELECT table_schema AS 'DB Name', ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) AS 'DB Size in MB' FROM information_schema.tables WHERE table_schema = '##DBNAME##' GROUP BY table_schema;
+```
+
+#### Obtenir la taille de toutes les tables d'un base de données spécifique :
+
+```bash
+SELECT TABLE_NAME AS `Table`, ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)` FROM information_schema.TABLES WHERE TABLE_SCHEMA = "<DBNAME>" ORDER BY (DATA_LENGTH + INDEX_LENGTH) DESC;
+```
+
+#### Obtenir la taille de toutes les tables de *toutes* les bases de données :
+
+```bash
+SELECT TABLE_SCHEMA AS `Database`, TABLE_NAME AS `Table`, ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)` FROM information_schema.TABLES ORDER BY (DATA_LENGTH + INDEX_LENGTH) DESC;
+```

docs/MySQL/user.md

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+categories: mysql
+title: Gestion des utilisateurs
+
+#### Obtenir la liste des utilisateurs
+
+```bash
+mysql> SELECT User, Host from mysql.user;
+```
+
+#### Créer un nouvel utilisateur
+
+```bash
+mysql> CREATE USER `<user>`@`<host>` IDENTIFIED BY `<password>`;
+```
+
+#### Affecter des droits à un utilisateur 
+
+```bash
+mysql> GRANT ALL PRIVILEGES ON <database>.* TO `<user>`@`<host>` IDENTIFIED BY `<password>`;
+mysql> FLUSH PRIVILEGES;
+```
+
+#### Vérifier les droits d'un utilisateur
+
+```bash
+mysql> SHOW GRANTS FOR `<user>`@`<host>`;
+```