ANALYZE |
Analyse |
---|---|
Oracle Database SQL |
Syntaxe
ANALYZE TABLE tablename COMPUTE|ESTIMATE|DELETE STATISTICS [ PARTITION (partion) SUBPARTITION (subpartition) ] [ VALIDATE STRUCTURE [CASCADE] [INTO tablename] LIST CHAINED ROWS [INTO tablename] COMPUTE|ESTIMATE STATISTICS FOR TABLE COMPUTE|ESTIMATE STATISTICS FOR ALL COLUMNS COMPUTE|ESTIMATE STATISTICS FOR ALL INDEXED COLUMNS COMPUTE|ESTIMATE STATISTICS FOR COLUMNS [SIZE int] column [SIZE int] ] ANALYZE INDEX indexname COMPUTE|ESTIMATE|DELETE STATISTICS [ PARTITION (partion) SUBPARTITION (subpartition) ] [ VALIDATE STRUCTURE [CASCADE] [INTO tablename] LIST CHAINED ROWS [INTO tablename] COMPUTE|ESTIMATE STATISTICS FOR TABLE COMPUTE|ESTIMATE STATISTICS FOR ALL COLUMNS COMPUTE|ESTIMATE STATISTICS FOR ALL INDEXED COLUMNS COMPUTE|ESTIMATE STATISTICS FOR COLUMNS [SIZE int] column [SIZE int] ] ANALYZE CLUSTER clustername COMPUTE|ESTIMATE|DELETE STATISTICS [ VALIDATE STRUCTURE [CASCADE] [INTO tablename] LIST CHAINED ROWS [INTO tablename] COMPUTE|ESTIMATE STATISTICS FOR TABLE COMPUTE|ESTIMATE STATISTICS FOR ALL COLUMNS COMPUTE|ESTIMATE STATISTICS FOR ALL INDEXED COLUMNS COMPUTE|ESTIMATE STATISTICS FOR COLUMNS [SIZE int] column [SIZE int] ] |
Description
Cette instruction permet d'effectuer des analyses sur les tables et les base de données et les tables.
Voir également
Article - Les géants de l'informatique - Oracle
Dernière mise à jour : Lundi, le 11 mai 2015