{"id":4652,"date":"2021-11-04T13:49:08","date_gmt":"2021-11-04T04:49:08","guid":{"rendered":"http:\/\/haisins.epac.to\/wordpress\/?p=4652"},"modified":"2021-11-04T13:50:16","modified_gmt":"2021-11-04T04:50:16","slug":"hash-join-%ea%b4%80%eb%a0%a8-parameter","status":"publish","type":"post","link":"http:\/\/haisins.synology.me\/wordpress\/?p=4652","title":{"rendered":"Hash Join \uad00\ub828 Parameter"},"content":{"rendered":"<p><strong>\u00a0<\/strong><\/p>\n<p><span style=\"font-size: large;\"><strong>1. HASH_JOIN_ENABLED<\/strong> <\/span><\/p>\n<p><span style=\"font-size: medium;\">Hash Join\uc774 \uac00\ub2a5\ud558\ub3c4\ub85d \ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c \ubc29\ubc95 \uc911\uc758 \ud558\ub098\ub97c \uc0ac\uc6a9\ud55c\ub2e4 . <\/span><\/p>\n<p><span style=\"font-size: medium;\">init.ora \ud654\uc77c\uc5d0 \uc774 \uac12\uc744 TRUE \ub85c \uc9c0\uc815\ud55c\ub2e4. <\/span><\/p>\n<p><span style=\"font-size: medium;\">ALTER SESSION SET HASH_JOIN_ENABLED = TRUE \ub85c \uc9c0\uc815 \ud55c\ub2e4. \ud78c\ud2b8(use_hash) \ub97c \uc774\uc6a9\ud55c\ub2e4.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"font-size: large;\">2. HASH_AREA_SIZE<\/span><\/strong><\/p>\n<p><span style=\"font-size: medium;\">Hash Join\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uba54\ubaa8\ub9ac \uc758 \ucd5c\ub300 \ud06c\uae30 Default\ub294 SORT_AREA_SIZE \uc758 2\ubc30 DSS\uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub9e4\uc6b0 \ud06c\uac8c \uc9c0\uc815\ud558\ub294 \uac83\uc774 \ubc14\ub78c\uc9c1 (30MB)<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"font-size: large;\">3. HASH_MULTIBLOCK_IO_COUNT<\/span><\/strong><\/p>\n<p><span style=\"font-size: medium;\">Hash Join \uc2dc \ud55c\ubc88\uc5d0 I\/O \ud558\ub294 \ube14\ub7ed \uc218 Default \ub294 DB_MULTIBLOCK_READ_COUNT<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 1. HASH_JOIN_ENABLED Hash Join\uc774 \uac00\ub2a5\ud558\ub3c4\ub85d \ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c \ubc29\ubc95 \uc911\uc758 \ud558\ub098\ub97c \uc0ac\uc6a9\ud55c\ub2e4 . init.ora \ud654\uc77c\uc5d0 \uc774 \uac12\uc744 TRUE \ub85c \uc9c0\uc815\ud55c\ub2e4. ALTER SESSION SET HASH_JOIN_ENABLED = TRUE \ub85c \uc9c0\uc815 \ud55c\ub2e4. \ud78c\ud2b8(use_hash) \ub97c \uc774\uc6a9\ud55c\ub2e4. &nbsp; 2. HASH_AREA_SIZE Hash Join\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uba54\ubaa8\ub9ac \uc758 \ucd5c\ub300 \ud06c\uae30 Default\ub294 SORT_AREA_SIZE \uc758 2\ubc30 DSS\uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub9e4\uc6b0 \ud06c\uac8c \uc9c0\uc815\ud558\ub294 \uac83\uc774 \ubc14\ub78c\uc9c1 (30MB) &nbsp; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"categories":[9],"tags":[1227,1225,1224,1226],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/haisins.synology.me\/wordpress\/wp-content\/uploads\/2018\/02\/tip.jpg?fit=325%2C315","amp_enabled":true,"_links":{"self":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4652"}],"collection":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4652"}],"version-history":[{"count":2,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4652\/revisions"}],"predecessor-version":[{"id":4654,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4652\/revisions\/4654"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/2878"}],"wp:attachment":[{"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4652"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}