July 2011
Intermediate to advanced
450 pages
11h 38m
French
Content preview from Programmer avec MySQL
Renommer une table (
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Chapitre 3
Évolution d’un schéma
L’évolution d’un schéma est un aspect très important à prendre en compte, car il répond aux besoins de maintenance des applicatifs qui utilisent la base de données. Nous verrons qu’il est possible de modifier une base de données d’un point de vue structurel (colonnes et index) mais aussi comportemental (contraintes).
L’instruction principalement utilisée est ALTER TABLE (commande du LDD) qui permet d’ajouter, de renommer, de modifier et de supprimer des colonnes d’une table. Elle permet aussi d’ajouter et de supprimer des contraintes. Avant de détailler ces mécanismes, étudions la commande qui permet de renommer une table.
Renommer une table (RENAME)
L’instruction RENAME renomme une ou plusieurs tables ou vues. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.