« MySQL/Débogage » : différence entre les versions

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Ligne 83 :
ALTER TABLE `maTable` DROP FOREIGN KEY `FK_XXX`;
ALTER TABLE `maTable` DROP INDEX `UNIQ_XXX`;
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=== ... check that it exists ===
Ajouter <code>IF EXISTS</code>. Ex :
<syntaxhighlight lang="mysql">
ALTER TABLE table_1 DROP FOREIGN KEY IF EXISTS table_1_ibfk_1;
ALTER TABLE table_1 DROP IF EXISTS table_2_id;
DROP TABLE IF EXISTS table_2;
</syntaxhighlight>