SQL
<\/a>> drop table test purge;Table dropped.
SQL> create table test as select * from all_objects;Table created.
SQL> create index testidx on test(object_id);Index created.
SQL> –now enable monitoring on index
SQL> alter index TESTIDX MONITORING usage;Index altered.
SQL> —execute query where index is created.
SQL> select count(*) from test where object_id=77204;COUNT(*)
———-
1
SQL>—disable index mornitoring
SQL> alter index TESTIDX NOmonitoring usage;Index altered.
SQL> —now check the V$OBJECT_USAGE for index utilization. if we found nothing then drop index is better option
SQL> select * from v$object_usage;INDEX_NAME TABLE_NAME MON USED START_MONITORIN END_MONITORING
———- ———- — —– —————
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TESTIDX TEST NO YES 07\/31\/2008 19:51:20
07\/31\/2008 19:52:04<\/p>\n","protected":false},"excerpt":{"rendered":"Um problema grave nas empresas \u00e9 que geralmente se criam muitos indices, para evitar isso monitore de tempos em tempos a utilizacao dos mesmos: SQL> drop table test purge;Table dropped.SQL> create table test as select * from all_objects;Table created.SQL> create … Continue lendo →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116,117,325],"tags":[],"class_list":["post-145","post","type-post","status-publish","format-standard","hentry","category-index-monitoring","category-index-usage","category-utilizacao-dos-indices"],"_links":{"self":[{"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=\/wp\/v2\/posts\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=145"}],"version-history":[{"count":0,"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=\/wp\/v2\/posts\/145\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.soudba.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}