A report query has become slow. Which tool shows how the database will actually execute it, for example whether it scans a whole table or uses an index?
Une requête de rapport est devenue lente. Quel outil montre comment la base va réellement l'exécuter, par exemple si elle parcourt toute une table ou utilise un index ?
Answers
AThe server's CPU temperature graphLe graphique de température du processeur du serveur
BA full backup of the database, taken before running the query againUne sauvegarde complète de la base, prise avant de relancer la requête
CEXPLAIN (or the graphical execution plan)EXPLAIN (ou le plan d'exécution graphique)
DThe table's row countLe nombre de lignes de la table
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