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docs/Divers/wp-cli/wp_db.md

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+# wp db
+
+Aide:
+
+```bash
+$ wp help db
+```
+
+```bash
+NAME
+
+  wp db
+
+DESCRIPTION
+
+  Performs basic database operations using credentials stored in wp-config.php.
+
+SYNOPSIS
+
+  wp db <command>
+
+SUBCOMMANDS
+
+  check         Checks the current status of the database.
+  clean         Removes all tables with `$table_prefix` from the database.
+  cli           Opens a MySQL console using credentials from wp-config.php
+  columns       Displays information about a given table.
+  create        Creates a new database.
+  drop          Deletes the existing database.
+  export        Exports the database to a file or to STDOUT.
+  import        Imports a database from a file or from STDIN.
+  optimize      Optimizes the database.
+  prefix        Displays the database table prefix.
+  query         Executes a SQL query against the database.
+  repair        Repairs the database.
+  reset         Removes all tables from the database.
+  search        Finds a string in the database.
+  size          Displays the database name and size.
+  tables        Lists the database tables.
+```
+
+Optimiser la bdd:
+
+```bash
+$ wp db optimize
+wordpress4.wp_comments
+note     : Table does not support optimize, doing recreate + analyze instead
+status   : OK
+wordpress4.wp_cptch_images
+note     : Table does not support optimize, doing recreate + analyze instead
+status   : OK
+.../...
+Success: Database optimized.
+```
+
+Vérifier la bdd:
+
+```bash
+$ wp db check
+wordpress4.wp_cntctfrm_field                       OK
+wordpress4.wp_commentmeta                          OK
+wordpress4.wp_comments                             OK
+wordpress4.wp_cptch_images                         OK
+.../...
+Success: Database checked.
+```
+
+Réparer la bdd:
+This command only works on database tables that use the MyISAM storage engine. It does not work on InnoDB tables. 
+
+```bash
+$ wp db repair
+wordpress4.wp_options
+note     : The storage engine for the table doesn't support repair
+wordpress4.wp_postmeta
+note     : The storage engine for the table doesn't support repair
+.../...
+Success: Database repaired.
+```
+
+Créer une sauvegarde de la base de bonnée de WordPress:
+
+```bash
+$ wp db export
+Success: Exported to 'wordpress4-2018-08-11-d930b79.sql'.
+```
+
+Tester une requête:
+
+```bash
+$ wp db query "SELECT * FROM wp_options"
+```
+
+Ouvrir une console MySQL:
+
+```bash
+$ wp db cli
+Welcome to the MariaDB monitor.  Commands end with ; or \g.
+Your MariaDB connection id is 407
+Server version: 10.3.8-MariaDB Homebrew
+
+Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
+
+Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
+
+MariaDB [wordpress4]>
+```
+
+