{"id":11844,"date":"2022-10-02T10:20:50","date_gmt":"2022-10-02T01:20:50","guid":{"rendered":"https:\/\/prodskill.com\/?p=11844"},"modified":"2022-10-04T23:51:45","modified_gmt":"2022-10-04T14:51:45","slug":"oracle-dbms-parallel-execute-1-overview","status":"publish","type":"post","link":"https:\/\/prodskill.com\/ko\/oracle-dbms-parallel-execute-1-overview\/","title":{"rendered":"1. DML \uc791\uc5c5\uc758 \ubcd1\ub82c \ucc98\ub9ac \uac1c\uc694 (DBMS_PARALLEL_EXECUTE)"},"content":{"rendered":"\n<p>Oracle&nbsp;11g&nbsp;R2\ubd80\ud130 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 DBMS_PARALLEL_EXECUTE \uc5d0&nbsp;\ub300\ud574&nbsp;\uc18c\uac1c\ud558\uace0&nbsp;\ud65c\uc6a9\uc0ac\ub840\ub97c&nbsp;\uc0b4\ud3b4\ubcf8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42.png\"><img loading=\"lazy\" decoding=\"async\" width=\"563\" height=\"476\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42.png\" alt=\"DBMS_PARALLEL_EXECUTE \uc2e4\ud589 \uac1c\ub150\ub3c4\" class=\"wp-image-11845\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42.png 563w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42-300x254.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42-14x12.png 14w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42-24x20.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42-36x30.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-42-48x41.png 48w\" sizes=\"auto, (max-width: 563px) 100vw, 563px\" \/><\/a><figcaption>DBMS_PARALLEL_EXECUTE \uc2e4\ud589 \uac1c\ub150\ub3c4<\/figcaption><\/figure>\n<\/div>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\uc774\ubbf8\uc9c0 \ucd9c\ucc98:&nbsp;<a href=\"https:\/\/blogs.oracle.com\/warehousebuilder\/parallel-processing-with-dbmsparallelexecute\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/blogs.oracle.com\/warehousebuilder\/parallel-processing-with-dbmsparallelexecute<\/a><\/p><\/blockquote>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">&lt;&lt;\ubaa9\ucc28&gt;&gt;<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/prodskill.com\/ko\/oracle-dbms-parallel-execute-1-overview\/#1_DML_%EC%9E%91%EC%97%85%EC%9D%98_%EB%B3%91%EB%A0%AC_%EC%B2%98%EB%A6%AC_%EA%B0%9C%EC%9A%94\" >1. DML \uc791\uc5c5\uc758 \ubcd1\ub82c \ucc98\ub9ac \uac1c\uc694<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/prodskill.com\/ko\/oracle-dbms-parallel-execute-1-overview\/#11_DML_%EB%B3%91%EB%A0%AC%EC%B2%98%EB%A6%AC_%EB%B0%A9%EB%B2%95\" >1.1. DML&nbsp;\ubcd1\ub82c\ucc98\ub9ac&nbsp;\ubc29\ubc95<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/prodskill.com\/ko\/oracle-dbms-parallel-execute-1-overview\/#12_DBMS_PARALLEL_EXECUTE_%EA%B0%9C%EB%85%90\" >1.2.&nbsp;DBMS_PARALLEL_EXECUTE&nbsp;\uac1c\ub150<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/prodskill.com\/ko\/oracle-dbms-parallel-execute-1-overview\/#13_DBMS_PARALLEL_EXECUTE_%ED%85%8C%EC%8A%A4%ED%8A%B8%EB%A5%BC_%EC%9C%84%ED%95%9C_%ED%85%8C%EC%9D%B4%EB%B8%94%EA%B3%BC_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%83%9D%EC%84%B1\" >1.3.&nbsp;DBMS_PARALLEL_EXECUTE \ud14c\uc2a4\ud2b8\ub97c&nbsp;\uc704\ud55c&nbsp;\ud14c\uc774\ube14\uacfc&nbsp;\ub370\uc774\ud130&nbsp;\uc0dd\uc131<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"1._DML_\uc791\uc5c5\uc758_\ubcd1\ub82c_\ucc98\ub9ac_\uac1c\uc694\"><span class=\"ez-toc-section\" id=\"1_DML_%EC%9E%91%EC%97%85%EC%9D%98_%EB%B3%91%EB%A0%AC_%EC%B2%98%EB%A6%AC_%EA%B0%9C%EC%9A%94\"><\/span>1. DML \uc791\uc5c5\uc758 \ubcd1\ub82c \ucc98\ub9ac \uac1c\uc694<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1.1._DML_\ubcd1\ub82c\ucc98\ub9ac_\ubc29\ubc95\"><span class=\"ez-toc-section\" id=\"11_DML_%EB%B3%91%EB%A0%AC%EC%B2%98%EB%A6%AC_%EB%B0%A9%EB%B2%95\"><\/span>1.1. DML&nbsp;\ubcd1\ub82c\ucc98\ub9ac&nbsp;\ubc29\ubc95<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Database\uc5d0\uc11c \ud558\ub098\uc758 DML(INSERT, UPDATE, DELETE) \uc791\uc5c5\uc744 \ucd5c\ub300\ud55c \ub9ce\uc740 \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube60\ub974\uac8c \ucc98\ub9ac\ud558\uace0\uc790 \ud560 \uacbd\uc6b0\uc5d0 \ubcd1\ub82c\ucc98\ub9ac(Parallel Processing)\ub97c \ud65c\uc6a9\ud55c\ub2e4. \ubcd1\ub82c\ucc98\ub9ac\uc5d0\ub294 \ud06c\uac8c \ub450 \uac00\uc9c0 \ubc29\ubc95\uc774 \uc788\ub2e4.<\/p>\n\n\n\n<p>\uccab \ubc88\uc9f8\ub294, \ud558\ub098\uc758 SQL\uc744 \uc2e4\ud589\ud558\uba74\uc11c parallel degree\ub97c hint\ub85c \uc9c0\uc815\ud558\ub294 \ubc29\ubc95(Parallel DML, single transaction)\uc774\uace0, \ub450 \ubc88\uc9f8\ub294 \ub370\uc774\ud130\uc758 \ubc94\uc704\ub97c \uc9c0\uc815\ud558\uc5ec \uc5ec\ub7ec \uac1c\uc758 SQL\uc744 \uc2e4\ud589\ud558\ub294 \ubc29\ubc95(Program Parallel DML, multi transaction) \uc774\ub2e4.<\/p>\n\n\n\n<p>\ub300\ubd80\ubd84\uc758 \uacbd\uc6b0\uc5d0\ub294 \uccab \ubc88\uc9f8 \ubc29\ubc95\uc778 Parallel DML \ubc29\ubc95\uc774 single transaction\uc73c\ub85c \ucc98\ub9ac\ub418\ubbc0\ub85c \ub370\uc774\ud130 \uc815\ud569\uc131\uba74\uc5d0\uc11c \uc720\ub9ac\ud558\ub2e4. \ud558\uc9c0\ub9cc, \uccab \ubc88\uc9f8 \ubc29\ubc95\uc744 \uc801\uc6a9\ud560 \uc218 \uc5c6\ub294 \uc0c1\ud669\uc774\uac70\ub098 \uc791\uc5c5 \ub2e8\uc704\uc758 \ud06c\uae30\ub098 \ubc94\uc704\ub97c \uc2a4\uc2a4\ub85c \uc815\uc758\ud558\uace0\uc790 \ud560 \uacbd\uc6b0\ub294 \ub450 \ubc88\uc9f8\uc758 \ubc29\ubc95\uc744 \uc801\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\ub2e4. (\uadf8\ub798\uc11c \ub450 \ubc88\uc9f8 \ubc29\ubc95\uc744 DIY(Do It Yourself) Parallel DML\uc774\ub77c\uace0\ub3c4 \ud55c\ub2e4)<\/p>\n\n\n\n<p>Parallel DML\uc744 \uc801\uc6a9\ud560 \uc218 \uc5c6\ub294 \uc0c1\ud669\uc740 \uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>LOB \uceec\ub7fc\uc744 \ud3ec\ud568\ud55c \ud14c\uc774\ube14\uc744 SELECT\ud558\ub294 DML<\/li><li>DB Link\uc0c1\uc758 DML<\/li><li>SQL\ub2e8\uc704\uac00 \uc544\ub2cc PL\/SQL \ub2e8\uc704\ub098 \ubcf5\uc7a1\ud55c \uc808\ucc28\ub85c \uad6c\ud604\ub41c Procedure \ub2e8\uc704\uc758 \ubcd1\ub82c \ucc98\ub9ac DML<\/li><li>PL\/SQL\ub85c \uad6c\ud604\ub418\uc9c0 \uc54a\uace0 Java \ub4f1\uc758 \uc5b8\uc5b4\uc5d0\uc11c \uc2e4\ud589\ud558\ub294 DML<\/li><\/ul>\n\n\n\n<p>Program Parallel DML\uc744 \uc2e4\ud589\ud558\ub294 \ub2e8\uacc4\ub294 \uc0c1\ud669\uc5d0 \ub530\ub77c \uc870\uae08\uc529 \ub2e4\ub974\uaca0\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\uc791\uc5c5 \ub300\uc0c1 \uc120\uc815<\/li><li>\ubcd1\ub82c\ub3c4 \uc120\uc815\uacfc \uc791\uc5c5 \ub2e8\uc704 \ubd84\ud560(Partition, \ub0a0\uc9dc, \uc22b\uc790, ROWID \ub4f1) -&gt; \uc791\uc5c5 \ub2e8\uc704\ub85c .sql \ud30c\uc77c \uc0dd\uc131<\/li><li>\uc791\uc5c5 \uc2e4\ud589 \ubc0f \ubaa8\ub2c8\ud130\ub9c1 -&gt; \uac01 .sql \ud30c\uc77c\uc744 \uac1c\ubcc4 session \uc5d0\uc11c \uc2e4\ud589(SQL*Plus \ub4f1)<\/li><li>\uc791\uc5c5 \uc644\ub8cc \ud655\uc778 -&gt; Row count \ube44\uad50, Sum \ube44\uad50 \ub4f1 \uac80\uc99d<\/li><\/ol>\n\n\n\n<p>\uc694\uad6c\uc0ac\ud56d\uc774\ub098 \uc0c1\ud669\uc774 \ubc14\ub00c\uc5b4\uc11c \ubcd1\ub82c\ub3c4(DOP, Degree Of Parallelism)\ub97c \ubcc0\uacbd\ud558\uac70\ub098 \uc7ac \uc791\uc5c5\uc744 \ud544\uc694\ub85c \ud560 \ub54c 2, 3\ubc88 \ub2e8\uacc4\uac00 \ubc18\ubcf5\uc801\uc73c\ub85c \uc218\ud589\ub418\uace0 \uad00\ub9ac\uc640 \ud655\uc778\uc774 \uac04\ub2e8\uce58 \uc54a\ub2e4. \ubcc0\uacbd\uc774 \ud544\uc694\ud560 \ub54c\ub9c8\ub2e4 \ube44\uc2b7\ud55c \uc791\uc5c5\uc744 \uc218\uc791\uc5c5\uc73c\ub85c \uacc4\uc18d \ubc18\ubcf5\ud574\uc57c \ud558\ub2c8 \ubd88\ud3b8\ud558\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1.2._DBMS_PARALLEL_EXECUTE_\uac1c\ub150\"><span class=\"ez-toc-section\" id=\"12_DBMS_PARALLEL_EXECUTE_%EA%B0%9C%EB%85%90\"><\/span>1.2.&nbsp;DBMS_PARALLEL_EXECUTE&nbsp;\uac1c\ub150<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Program Parallel&nbsp;\ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud560 \ub54c&nbsp;DBMS_PARALLEL_EXECUTE \ub97c \ud65c\uc6a9\ud558\uba74 \uc774 \uc791\uc5c5\uc744 \uc880 \ub354 \ud3b8\ub9ac\ud558\uac8c \uc2e4\ud589 \ubc0f \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p style=\"font-size:16px\">* \ucc38\uace0 Oracle Document:&nbsp;<a href=\"http:\/\/docs.oracle.com\/cd\/E11882_01\/appdev.112\/e40758\/d_parallel_ex.htm#ARPLS233\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/docs.oracle.com\/cd\/E11882_01\/appdev.112\/e40758\/d_parallel_ex.htm#ARPLS233<\/a><\/p>\n\n\n\n<p>(\ucc38\uace0\ub85c, DBMS_PARALLEL_EXECUTE \ub294 \ub0b4\ubd80\uc801\uc73c\ub85c&nbsp;JOB\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc2e4\ud589\ud558\ub294&nbsp;user\uc5d0\uac8c&nbsp;CREATE JOB&nbsp;\uad8c\ud55c\uc744 \ubd80\uc5ec\ud574\uc57c \ud55c\ub2e4.)<\/p>\n\n\n\n<p>DBMS_PARALLEL_EXECUTE \ub294&nbsp;Oracle 11g R2\uc5d0\uc11c&nbsp;new feature\ub85c \uc18c\uac1c\ub41c&nbsp;Package\uc774\ub2e4.&nbsp;\uc8fc\uc694\ud55c&nbsp;sub program\uc758 \ubaa9\ub85d\uc740 \ub2e4\uc74c \ud45c\uc640 \uac19\uace0,&nbsp;\uc804\uccb4 \ubaa9\ub85d\uacfc \uc124\uba85\uc740&nbsp;Oracle document\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Sub program<\/td><td>\uc124\uba85<\/td><\/tr><tr><td>CREATE_TASK Procedure<\/td><td>\uc791\uc5c5(task)&nbsp;\uc0dd\uc131<\/td><\/tr><tr><td>CREATE_CHUNKS_BY_NUMBER_COL Procedure<\/td><td>NUMBER column\uc73c\ub85c \ubd84\ud560 \ub2e8\uc704(chunk)&nbsp;\uc0dd\uc131<\/td><\/tr><tr><td>CREATE_CHUNKS_BY_ROWID Procedure<\/td><td>ROWID\ub85c \ubd84\ud560 \ub2e8\uc704(chunk)&nbsp;\uc0dd\uc131<\/td><\/tr><tr><td>CREATE_CHUNKS_BY_SQL Procedure<\/td><td>\uc0ac\uc6a9\uc790 \uc815\uc758&nbsp;SQL\ub85c \ubd84\ud560 \ub2e8\uc704(chunk)&nbsp;\uc0dd\uc131<\/td><\/tr><tr><td>DROP_TASK Procedure<\/td><td>Task&nbsp;\uc81c\uac70<\/td><\/tr><tr><td>DROP_CHUNKS Procedure<\/td><td>\ubd84\ud560 \ub2e8\uc704(chunk)&nbsp;\uc81c\uac70<\/td><\/tr><tr><td>RESUME_TASK Procedures<\/td><td>\uc911\uc9c0\ud588\ub358 \uc791\uc5c5(task)&nbsp;\uc7ac\uc2e4\ud589<\/td><\/tr><tr><td>RUN_TASK Procedure<\/td><td>\uc791\uc5c5(task)&nbsp;\uc2e4\ud589<\/td><\/tr><tr><td>STOP_TASK Procedure<\/td><td>\uc791\uc5c5(task)&nbsp;\uc911\uc9c0<\/td><\/tr><tr><td>TASK_STATUS Procedure<\/td><td>\uc791\uc5c5(task)&nbsp;\ud604\uc7ac \uc0c1\ud0dc \ubc18\ud658<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>DBMS_PARALLEL_EXECUTE\ub97c \uc801\uc6a9\ud560 \ub54c\uc758 \ub2e8\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774&nbsp;Program Parallel DML\uc744 \uc2e4\ud589\ud558\ub294 \ub2e8\uacc4\uc640 \uac70\uc758 \uc720\uc0ac\ud558\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\uc791\uc5c5(Task) \uc0dd\uc131 (CREATE_TASK)<\/li><li>\uc791\uc5c5 \ub2e8\uc704(Chunk) \ubd84\ud560 (ROWID, NUMBER, SQL \uc138\uac00\uc9c0 \ubc29\uc2dd \uc81c\uacf5)<ul><li>CREATE_CHUNKS_BY_ROWID<\/li><li>CREATE_CHUNKS_BY_NUMBER_COL<\/li><li>CREATE_CHUNKS_BY_SQL<\/li><\/ul><\/li><li>\uc791\uc5c5 \uc2e4\ud589 (RUN_TASK)<\/li><li>\uc791\uc5c5 \uc644\ub8cc \ud6c4 \uc0ad\uc81c (DROP_TASK)<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1.3._\ud14c\uc2a4\ud2b8\ub97c_\uc704\ud55c_\ud14c\uc774\ube14\uacfc_\ub370\uc774\ud130_\uc0dd\uc131\"><span class=\"ez-toc-section\" id=\"13_DBMS_PARALLEL_EXECUTE_%ED%85%8C%EC%8A%A4%ED%8A%B8%EB%A5%BC_%EC%9C%84%ED%95%9C_%ED%85%8C%EC%9D%B4%EB%B8%94%EA%B3%BC_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%83%9D%EC%84%B1\"><\/span>1.3.&nbsp;DBMS_PARALLEL_EXECUTE \ud14c\uc2a4\ud2b8\ub97c&nbsp;\uc704\ud55c&nbsp;\ud14c\uc774\ube14\uacfc&nbsp;\ub370\uc774\ud130&nbsp;\uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\ub2e4\uc74c&nbsp;\uc2a4\ud06c\ub9bd\ud2b8\ub85c&nbsp;\ud14c\uc2a4\ud2b8\ud560&nbsp;\ud14c\uc774\ube14\uacfc&nbsp;\ub370\uc774\ud130\ub97c&nbsp;\uc0dd\uc131\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">-- \ud14c\uc2a4\ud2b8 \ud14c\uc774\ube14\uacfc \ub370\uc774\ud130 \uc0dd\uc131\nDROP TABLE Z_DPE_TEST_TAB PURGE;\n\nCREATE TABLE Z_DPE_TEST_TAB (\n    ID      NUMBER(10)\n   ,MSG     VARCHAR2(100)\n   ,VAL     NUMBER\n   ,AUDSID  NUMBER\n) NOLOGGING;\n\n-- 100\ub9cc\uac74 \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \uc0dd\uc131\nINSERT \/*+ APPEND *\/ INTO Z_DPE_TEST_TAB (ID, MSG)\nSELECT  LEVEL AS ID\n       ,'Test Data ID: ' || TO_CHAR(LEVEL)\n  FROM  DUAL\nCONNECT BY LEVEL &lt;= 1000000;\n\nCOMMIT;<\/pre>\n\n\n\n<p>\ud14c\uc2a4\ud2b8\uc5d0 \uc0ac\uc6a9\ud560 \uceec\ub7fc\uc740&nbsp;4\uac1c\ub85c \uac01 \uc6a9\ub3c4\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\uceec\ub7fc\uba85<\/td><td>\uc6a9\ub3c4<\/td><\/tr><tr><td>ID<\/td><td>\ud14c\uc774\ube14\uc758 \uac01 \ud589\uc744 \uc2dd\ubcc4\ud558\uae30 \uc704\ud55c \uac12<\/td><\/tr><tr><td>MSG<\/td><td>\uc124\uba85\uc744 \uc81c\uacf5\ud558\ub294 \uac12<\/td><\/tr><tr><td>VAL<\/td><td>\ud14c\uc2a4\ud2b8 \uc2e4\ud589\uc5d0\uc11c&nbsp;Update\ub418\ub294 \uc784\uc758\uc758 \uac12&nbsp;(Random value)<\/td><\/tr><tr><td>AUDSID<\/td><td>\ud14c\uc2a4\ud2b8\uac00 \uba87 \uac1c\uc758&nbsp;Session\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud55c \uac12.<br>SYS_CONTEXT(&#8216;USERENV&#8217;,&#8217;SESSIONID&#8217;)\ub85c&nbsp;Update&nbsp;\ub41c\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ucc38\uace0\ub85c \uc774 \ud14c\uc2a4\ud2b8\ub97c \uc9c4\ud589\ud55c \ud658\uacbd\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>DBMS: Oracle 11g R2 Enterprise 11.2.0.1.0 32 bit (On Windows 7 x64)<\/li><li>H\/W: CPU i5-5200U 2.20GHz, Memory 8GB, SSD 250GB<\/li><\/ul>\n\n\n\n<p>\ub2e4\uc74c\uc73c\ub85c \uac01\uac01\uc758 \uc791\uc5c5 \ub2e8\uc704(chunk)&nbsp;\ubd84\ud560 \ubc29\uc2dd\ubcc4\ub85c \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubcf4\uc790.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle&nbsp;11g&nbsp;R2\ubd80\ud130 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 DBMS_PARALLEL_EXECUTE \uc5d0&nbsp;\ub300\ud574&nbsp;\uc18c\uac1c\ud558\uace0&nbsp;\ud65c\uc6a9\uc0ac\ub840\ub97c&nbsp;\uc0b4\ud3b4\ubcf8\ub2e4. \uc774\ubbf8\uc9c0 \ucd9c\ucc98:&nbsp;https:\/\/blogs.oracle.com\/warehousebuilder\/parallel-processing-with-dbmsparallelexecute 1. DML \uc791\uc5c5\uc758 \ubcd1\ub82c \ucc98\ub9ac \uac1c\uc694 1.1. DML&nbsp;\ubcd1\ub82c\ucc98\ub9ac&nbsp;\ubc29\ubc95 Database\uc5d0\uc11c \ud558\ub098\uc758 DML(INSERT, UPDATE, DELETE) \uc791\uc5c5\uc744 \ucd5c\ub300\ud55c \ub9ce\uc740 \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube60\ub974\uac8c \ucc98\ub9ac\ud558\uace0\uc790 \ud560 \uacbd\uc6b0\uc5d0 \ubcd1\ub82c\ucc98\ub9ac(Parallel Processing)\ub97c \ud65c\uc6a9\ud55c\ub2e4. \ubcd1\ub82c\ucc98\ub9ac\uc5d0\ub294 \ud06c\uac8c \ub450 \uac00\uc9c0 \ubc29\ubc95\uc774 \uc788\ub2e4. \uccab&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":11845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[242,243,244,245,246],"class_list":["post-11844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oracle","tag-oracle","tag-dbms_parallel_execute","tag-244","tag-dml-parallel-processing","tag-dml-"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1. 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