{"id":11864,"date":"2022-10-02T17:05:36","date_gmt":"2022-10-02T08:05:36","guid":{"rendered":"https:\/\/prodskill.com\/?p=11864"},"modified":"2022-10-04T23:53:57","modified_gmt":"2022-10-04T14:53:57","slug":"oracle-dbms-parallel-execute-2-5-chunk-by-rowid-verify","status":"publish","type":"post","link":"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-5-chunk-by-rowid-verify\/","title":{"rendered":"2.5\u3002\u4f5c\u696d\u5358\u4f4d\u5206\u5272\u8a73\u7d30\u306e\u78ba\u8a8d (DBMS_PARALLEL_EXECUTE)"},"content":{"rendered":"<p>\u4f5c\u696d\u5358\u4f4d\u5206\u5272\u8a73\u7d30\u78ba\u8a8d\u95a2\u9023\u5185\u5bb9\u3067\u3042\u308b\u3002 ROWID\u3067\u4f5c\u696d\u5358\u4f4d\u3092\u5206\u5272\u3057\u305f\u7d50\u679c\u304c\u3069\u306e\u7a0b\u5ea6\u5747\u4e00\u306b\u5206\u5272\u3055\u308c\u308b\u306e\u304b\u3001\u4f5c\u696d\u5358\u4f4d\u306e\u5408\u8a08\u304c\u5168\u4f53\u3068\u540c\u3058\u306b\u6b20\u3051\u3066\u3044\u306a\u3044\u304b\u3001\u4f5c\u696d\u5358\u4f4d\u6570\u3068\u30b8\u30e7\u30d6\u6570\u306e\u76f8\u95a2\u95a2\u4fc2\u3092\u8abf\u3079\u308b\u3002<\/p>\n\n\n\n<p>\u524d\u306e\u8a18\u4e8b\u3067\u7d9a\u304f\u5185\u5bb9\u3060\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-chunk-by-rowid\/\">2. ROWID\u5206\u5272\u65b9\u5f0f\u4e26\u5217\u51e6\u7406\u4e8b\u4f8b<\/a><\/p>\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;\u76ee\u6b21&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=\"Toggle Table of Content\"><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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-5-chunk-by-rowid-verify\/#25_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84_%EB%B6%84%ED%95%A0_%EC%83%81%EC%84%B8_%ED%99%95%EC%9D%B8\" >2.5\u3002\u4f5c\u696d\u5358\u4f4d\u5206\u5272\u306e\u8a73\u7d30\u78ba\u8a8d<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-5-chunk-by-rowid-verify\/#251_ROWID%EB%A1%9C_%EB%B6%84%ED%95%A0%ED%95%9C_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84%EB%93%A4%EC%9D%98_%EA%B7%A0%EC%9D%BC%ED%95%9C_%EC%A0%95%EB%8F%84\" >2.5.1\u3002 ROWID\u3067\u5206\u5272\u3057\u305f\u4f5c\u696d\u5358\u4f4d\u306e\u5747\u4e00\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-5-chunk-by-rowid-verify\/#252_ROWID%EB%A1%9C_%EB%B6%84%ED%95%A0%ED%95%9C_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84%EB%93%A4%EC%9D%B4_%EB%88%84%EB%9D%BD_%EC%97%86%EC%9D%8C_%ED%99%95%EC%9D%B8\" >2.5.2\u3002 ROWID\u3067\u5206\u5272\u3057\u305f\u4f5c\u696d\u5358\u4f4d\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-5-chunk-by-rowid-verify\/#253_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84Chunk%EC%9D%98_%EC%88%98%EC%99%80_%EC%9E%91%EC%97%85%EC%9D%98_PARALLEL_LEVEL_%EC%8B%A4%ED%96%89%ED%95%98%EB%8A%94_Job%EC%9D%98_%EA%B0%9C%EC%88%98%EA%B0%84%EC%9D%98_%EC%83%81%EA%B4%80%EA%B4%80%EA%B3%84\" >2.5.3\u3002\u4f5c\u696d\u5358\u4f4d(Chunk)\u306e\u6570\u3068\u4f5c\u696d\u306ePARALLEL_LEVEL(\u5b9f\u884c\u3059\u308bJob\u306e\u6570)\u3068\u306e\u76f8\u95a2<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\" id=\"2.5._\uc791\uc5c5_\ub2e8\uc704_\ubd84\ud560_\uc0c1\uc138_\ud655\uc778\"><span class=\"ez-toc-section\" id=\"25_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84_%EB%B6%84%ED%95%A0_%EC%83%81%EC%84%B8_%ED%99%95%EC%9D%B8\"><\/span>2.5\u3002\u4f5c\u696d\u5358\u4f4d\u5206\u5272\u306e\u8a73\u7d30\u78ba\u8a8d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4f5c\u696d\u5358\u4f4d\u304c\u3046\u307e\u304f\u5206\u5272\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3001\u6b21\u306e\u5185\u5bb9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>ROWID\u3067\u5206\u5272\u3057\u305f\u4f5c\u696d\u5358\u4f4d\u306e\u5747\u4e00\u6027<\/li><li>ROWID\u3067\u5206\u5272\u3057\u305f\u4f5c\u696d\u5358\u4f4d\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/li><li>\u4f5c\u696d\u5358\u4f4d(Chunk)\u306e\u6570\u3068\u4f5c\u696d\u306ePARALLEL_LEVEL(\u5b9f\u884c\u3059\u308bJob\u306e\u6570)\u3068\u306e\u76f8\u95a2<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2.5.1._ROWID\ub85c_\ubd84\ud560\ud55c_\uc791\uc5c5_\ub2e8\uc704\ub4e4\uc758_\uade0\uc77c\ud55c_\uc815\ub3c4\"><span class=\"ez-toc-section\" id=\"251_ROWID%EB%A1%9C_%EB%B6%84%ED%95%A0%ED%95%9C_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84%EB%93%A4%EC%9D%98_%EA%B7%A0%EC%9D%BC%ED%95%9C_%EC%A0%95%EB%8F%84\"><\/span>2.5.1\u3002 ROWID\u3067\u5206\u5272\u3057\u305f\u4f5c\u696d\u5358\u4f4d\u306e\u5747\u4e00\u6027<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u6b21\u306e\u5206\u5272\u306f\u3001Z_DPE_TEST_TAB\u30c6\u30fc\u30d6\u30eb\u3092ROW Count\u306b\u57fa\u3065\u3044\u3066\u4f5c\u696d\u5358\u4f4d\u309210,000\u500b\u305a\u3064\u5206\u5272\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/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=\"\" data-no-auto-translation=\"\">-- 2\ub2e8\uacc4: \uc791\uc5c5 \ub2e8\uc704 \ubd84\ud560\nBEGIN\n  DBMS_PARALLEL_EXECUTE.CREATE_CHUNKS_BY_ROWID(TASK_NAME   => 'DPE_TEST(BY ROWID)',\n                                               TABLE_OWNER => USER,\n                                               TABLE_NAME  => 'Z_DPE_TEST_TAB',\n                                               BY_ROW      => TRUE,\n                                               CHUNK_SIZE  => 10000);\nEND;\n\/<\/pre>\n\n\n\n<p>\u672c\u5f53\u306b10,000\u4ef6\u305a\u3064\u5206\u5272\u3055\u308c\u305f\u304b\u898b\u3066\u307f\u3088\u3046\u3002<\/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=\"\" data-no-auto-translation=\"\">-- \uc791\uc5c5\ub2e8\uc704 \uac1c\uc218 \ud655\uc778 --> 115\nSELECT COUNT(*)\n  FROM USER_PARALLEL_EXECUTE_CHUNKS\nWHERE TASK_NAME = 'DPE_TEST(BY ROWID)';<\/pre>\n\n\n\n<p>\u5168\u4f53\u306eRow\u306f1,000,000\u4ef6\u306a\u306e\u3067\u300110,000\u4ef6\u305a\u3064\u5206\u5272\u3059\u308c\u3070100\u500b\u306eChunk\u306b\u5206\u5272\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3088\u3046\u3060\u304c\u5b9f\u969b\u306b\u306f115\u500b\u306eChunk\u306b\u5206\u5272\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p>\u5404\u30c1\u30e3\u30f3\u30af\u3054\u3068\u306b\u30ed\u30a6\u30ab\u30a6\u30f3\u30c8\u3092\u6c42\u3081\u3066\u307f\u308b\u3068\u3001<\/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=\"\" data-no-auto-translation=\"\">SELECT  B.CHUNK_ID, COUNT(A.ID), MIN(A.ID) MIN_ID, MAX(A.ID) MAX_ID\n  FROM  Z_DPE_TEST_TAB A,\n        (\n        SELECT  CHUNK_ID, START_ROWID, END_ROWID\n          FROM  USER_PARALLEL_EXECUTE_CHUNKS\n         WHERE  TASK_NAME = 'DPE_TEST(BY ROWID)'\n        ) B\n WHERE  A.ROWID BETWEEN B.START_ROWID AND B.END_ROWID\n GROUP  BY B.CHUNK_ID\n ORDER  BY B.CHUNK_ID;<\/pre>\n\n\n\n<p>10,000\u4ef6\u3067\u306f\u306a\u304f\u30011334\u30012064\u30011886\u4ef6\u306a\u3069\u69d8\u3005\u306aCount\u306b\u5206\u5272\u3055\u308c\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/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-51.png\"><img loading=\"lazy\" decoding=\"async\" width=\"883\" height=\"644\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51.png\" alt=\"chunk\ubcc4 row count\" class=\"wp-image-11865\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51.png 883w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51-300x219.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51-768x560.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51-16x12.png 16w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51-24x18.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51-36x26.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-51-48x35.png 48w\" sizes=\"auto, (max-width: 883px) 100vw, 883px\" \/><\/a><figcaption>\u30c1\u30e3\u30f3\u30af\u306b\u3088\u308brow count<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Chunk\u306b\u542b\u307e\u308c\u308bRow\u6570\u304c1,000\uff5e2,000\u533a\u9593\u306f14\u500b\u30012,000Row\u533a\u9593\u306f2\u500b\u30016,000Row\u533a\u9593\u306f33\u500b\u300111,000Row\u533a\u9593\u306f64\u500b\u300112,000Row\u533a\u9593\u306f2\u500b\u3067\u3042\u308b\u3002 \uff08\u6bce\u56de\u540c\u3058\u7d50\u679c\u304c\u51fa\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\uff09<\/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-52.png\"><img loading=\"lazy\" decoding=\"async\" width=\"573\" height=\"347\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52.png\" alt=\"Row\uc218 \uad6c\uac04\ubcc4 chunk\uc218\" class=\"wp-image-11866\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52.png 573w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52-300x182.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52-24x15.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52-36x22.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-52-48x29.png 48w\" sizes=\"auto, (max-width: 573px) 100vw, 573px\" \/><\/a><figcaption>\u30ed\u30fc\u6570\u533a\u9593\u5225\u30c1\u30e3\u30f3\u30af\u6570<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u5b8c\u5168\u306b\u5747\u7b49\u306aRow\u6570\u306b\u5206\u5272\u3055\u308c\u306a\u3044\u3002\u3053\u308c\u306f\u3001ROWID\u5206\u5272\u65b9\u6cd5\u304cDBA_EXTENTS\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5404EXTENT\u306b\u542b\u307e\u308c\u308bBLOCK\u306e\u6570\u3068\u5404BLOCK\u306eROW Count\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u53c2\u8003\u307e\u3067\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u306bDELETE\u306a\u3069\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044BLOCK\u304c\u3042\u308b\u5834\u5408\u3001\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3057\u306a\u3044ROWID\u533a\u9593\u304cChunk\u3067\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u3002\u307e\u305f\u3001DBA_EXTENT\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u30c7\u30fc\u30bf\u304c\u524a\u9664\u3055\u308c\u305f\u304b\u3001\u5272\u308a\u5f53\u3066\u306f\u884c\u308f\u308c\u305f\u304c\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3092\u542b\u307e\u306a\u3044EXTENT\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2.5.2._ROWID\ub85c_\ubd84\ud560\ud55c_\uc791\uc5c5_\ub2e8\uc704\ub4e4\uc774_\ub204\ub77d_\uc5c6\uc74c_\ud655\uc778\"><span class=\"ez-toc-section\" id=\"252_ROWID%EB%A1%9C_%EB%B6%84%ED%95%A0%ED%95%9C_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84%EB%93%A4%EC%9D%B4_%EB%88%84%EB%9D%BD_%EC%97%86%EC%9D%8C_%ED%99%95%EC%9D%B8\"><\/span>2.5.2\u3002 ROWID\u3067\u5206\u5272\u3057\u305f\u4f5c\u696d\u5358\u4f4d\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u5404\u30c1\u30e3\u30f3\u30af\u306eSTART_ROWID\u3068END_ROWID\u533a\u9593\u3092\u5c55\u958b\u3057\u305f\u3068\u304d\u306b\u6b20\u843d\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n\n\n\n<p>\u307e\u305a\u3001Row Count\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/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=\"\" data-no-auto-translation=\"\">-- Chunk\uc758 RowID range\ub85c \ucd94\ucd9c\ud55c Row Count\nSELECT  COUNT(A.ID) ROW_COUNT\n  FROM  Z_DPE_TEST_TAB A,\n        (\n        SELECT  CHUNK_ID, START_ROWID, END_ROWID\n          FROM  USER_PARALLEL_EXECUTE_CHUNKS\n         WHERE  TASK_NAME = 'DPE_TEST(BY ROWID)'\n        ) B\n WHERE  A.ROWID BETWEEN B.START_ROWID AND B.END_ROWID;<\/pre>\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-53.png\"><img loading=\"lazy\" decoding=\"async\" width=\"883\" height=\"644\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53.png\" alt=\"row count \uc77c\uce58 \ud655\uc778\" class=\"wp-image-11867\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53.png 883w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53-300x219.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53-768x560.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53-16x12.png 16w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53-24x18.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53-36x26.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-53-48x35.png 48w\" sizes=\"auto, (max-width: 883px) 100vw, 883px\" \/><\/a><figcaption>row count \u4e00\u81f4\u78ba\u8a8d<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5168\u4f53\u306eRow Count\u3067\u3042\u308b1,000,000\u4ef6\u3068\u4e00\u81f4\u3057\u3066\u3001\u4e00\u5ea6Count\u306f\u6b20\u843d\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u6b21\u306b\u306fChunk\u306eSTART_ROWID\u301cEND_ROWID\u306e\u7bc4\u56f2\u3067\u62bd\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u5143\u306e\u30c7\u30fc\u30bf\u3092LEFT OUTER JOIN\u3057\u305f\u3068\u304d\u306bJoin\u6761\u4ef6\u304b\u3089\u629c\u3051\u308b\uff08\u6b20\u3051\u3066\u3044\u308b\uff09 \uff09\u30c7\u30fc\u30bf\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/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=\"\" data-no-auto-translation=\"\">-- Chunk\uc758 RowID\ub85c \ucd94\ucd9c\ud55c \ub370\uc774\ud130\uc758 \ub204\ub77d\uc5c6\uc74c \ud655\uc778\nSELECT  *\n  FROM  Z_DPE_TEST_TAB A LEFT OUTER JOIN\n        (\n        SELECT  A.ID  -- Chunk\uc758 RowID range\ub85c \ucd94\ucd9c\ud55c \ub370\uc774\ud130\n          FROM  Z_DPE_TEST_TAB A,\n                (\n                SELECT  CHUNK_ID, START_ROWID, END_ROWID\n                  FROM  USER_PARALLEL_EXECUTE_CHUNKS\n                 WHERE  TASK_NAME = 'DPE_TEST(BY ROWID)'\n                ) B\n         WHERE  A.ROWID BETWEEN B.START_ROWID AND B.END_ROWID\n        ) B ON (A.ID = B.ID)\n WHERE  B.ID IS NULL;<\/pre>\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-54.png\"><img loading=\"lazy\" decoding=\"async\" width=\"883\" height=\"644\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54.png\" alt=\"\ub370\uc774\ud130 \ub204\ub77d \uc5c6\uc74c \ud655\uc778\" class=\"wp-image-11868\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54.png 883w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54-300x219.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54-768x560.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54-16x12.png 16w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54-24x18.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54-36x26.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-54-48x35.png 48w\" sizes=\"auto, (max-width: 883px) 100vw, 883px\" \/><\/a><figcaption>\u30c7\u30fc\u30bf\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u4e0a\u8a18\u306e\u7d50\u679c\u304b\u3089\u6b20\u843d\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2.5.3._\uc791\uc5c5_\ub2e8\uc704(Chunk)\uc758_\uc218\uc640_\uc791\uc5c5\uc758_PARALLEL_LEVEL_(\uc2e4\ud589\ud558\ub294_Job\uc758_\uac1c\uc218)\uac04\uc758_\uc0c1\uad00\uad00\uacc4\"><span class=\"ez-toc-section\" id=\"253_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84Chunk%EC%9D%98_%EC%88%98%EC%99%80_%EC%9E%91%EC%97%85%EC%9D%98_PARALLEL_LEVEL_%EC%8B%A4%ED%96%89%ED%95%98%EB%8A%94_Job%EC%9D%98_%EA%B0%9C%EC%88%98%EA%B0%84%EC%9D%98_%EC%83%81%EA%B4%80%EA%B4%80%EA%B3%84\"><\/span>2.5.3\u3002\u4f5c\u696d\u5358\u4f4d(Chunk)\u306e\u6570\u3068\u4f5c\u696d\u306ePARALLEL_LEVEL(\u5b9f\u884c\u3059\u308bJob\u306e\u6570)\u3068\u306e\u76f8\u95a2<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u524d\u306e\u8a18\u4e8b\u306e&lt;2.3\u3002\u30b8\u30e7\u30d6\u5b9f\u884c&gt; \u3067\u6b21\u306e\u3088\u3046\u306a\u5185\u5bb9\u304c\u3042\u3063\u305f\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>PARALLEL_LEVEL\u306f\u3001\u540c\u6642\u306b\u5b9f\u884c\u3059\u308b\u30b8\u30e7\u30d6\uff08job\uff09\u306e\u6570\u3001\u3059\u306a\u308f\u3061\u4e26\u5217\u5ea6\uff08DOP\u3001Degree Of Parallelism\uff09\u3092\u610f\u5473\u3057\u3001\u4f5c\u696d\u5358\u4f4d\u3067\u3042\u308b\u30c1\u30e3\u30f3\u30af\u306e\u6570\u3068\u540c\u3058\u3067\u3082\u5c11\u306a\u304f\u3066\u3082\u3088\u3044\u3002\u540c\u3058\u5834\u5408\u306f1\u3064\u306e\u30b8\u30e7\u30d6\u304c1\u3064\u306e\u30c1\u30e3\u30f3\u30af\u3092\u51e6\u7406\u3057\u3001\u5c0f\u3055\u3044\u5834\u5408\u306f1\u3064\u306e\u30b8\u30e7\u30d6\u304c\u8907\u6570\u306e\u30c1\u30e3\u30f3\u30af\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p><\/blockquote>\n\n\n\n<p>*\u53c2\u7167\uff1a <a href=\"https:\/\/prodskill.com\/ja\/oracle-dbms-parallel-execute-2-chunk-by-rowid\/#23_%EC%9E%91%EC%97%85_%EC%8B%A4%ED%96%89\">2. ROWID\u5206\u5272\u65b9\u5f0f\u4e26\u5217\u51e6\u7406\u30b1\u30fc\u30b9_2.3\u3002\u30b8\u30e7\u30d6\u306e\u5b9f\u884c<\/a><\/p>\n\n\n\n<p>Chunk\u6570\u3068Job\u6570\u306b\u3064\u3044\u3066\u6b21\u306e\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u25bc\u30c1\u30e3\u30f3\u30af\u6570\u3068\u30b8\u30e7\u30d6\u6570\u304c\u540c\u3058\u5834\u5408\uff08\u30c1\u30e3\u30f3\u30af\uff1d\u30b8\u30e7\u30d6\uff09<\/strong><\/p>\n\n\n\n<p>1\u3064\u306eJob\u306f\u3001\u5272\u308a\u5f53\u3066\u3089\u308c\u305fChunk\u306e\u5b9f\u884c\u3092\u5b8c\u4e86\u3059\u308b\u3068\u3001\u3053\u308c\u4ee5\u4e0a\u5b9f\u884c\u3059\u308b\u30b8\u30e7\u30d6\u304c\u306a\u304f\u7d42\u4e86\u3057\u307e\u3059\u3002<\/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-55.png\"><img loading=\"lazy\" decoding=\"async\" width=\"637\" height=\"252\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55.png\" alt=\"Chunk\uc218\uc640 Job\uc218\uac00 \ub3d9\uc77c\ud55c \uacbd\uc6b0\" class=\"wp-image-11869\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55.png 637w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55-300x119.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55-18x7.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55-24x9.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55-36x14.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-55-48x19.png 48w\" sizes=\"auto, (max-width: 637px) 100vw, 637px\" \/><\/a><figcaption>\u30c1\u30e3\u30f3\u30af\u6570\u3068\u30b8\u30e7\u30d6\u6570\u304c\u540c\u3058\u5834\u5408<\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>\u25bcChunk\u6570\u3088\u308aJob\u6570\u304c\u5c11\u306a\u3044\u5834\u5408\uff08Chunk&gt; Job\uff09<\/strong><\/p>\n\n\n\n<p>Job\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u305fChunk\u306e\u30bf\u30b9\u30af\u3092\u5b8c\u4e86\u3059\u308b\u3068\u3001\u307e\u3060\u5b9f\u884c\u3055\u308c\u3066\u3044\u306a\u3044Chunk\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u3001\u5b9f\u884c\u3092\u7d9a\u3051\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001Job\u304c3\u3064\u306e\u5834\u5408\u306e\u4f8b\u3067\u3059\u3002<\/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-56.png\"><img loading=\"lazy\" decoding=\"async\" width=\"648\" height=\"252\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56.png\" alt=\"Chunk\uc218\ubcf4\ub2e4 Job\uc218\uac00 \uc801\uc740 \uacbd\uc6b0 (Chunk &gt; Job)\" class=\"wp-image-11870\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56.png 648w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56-300x117.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56-18x7.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56-24x9.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56-36x14.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-56-48x19.png 48w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/a><figcaption>Chunk\u6570\u3088\u308a\u3082Job\u6570\u304c\u5c11\u306a\u3044\u5834\u5408\uff08Chunk&gt; Job\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u4ed6\u306b Chunk \u6570\u3088\u308a Job \u6570\u304c\u591a\u3044\u5834\u5408 (Chunk &lt; Job) \u3082\u53ef\u80fd\u306f 1 \u3064\u3001Chunk \u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u305a\u3001\u5b9f\u884c\u72b6\u614b\u3092\u7dad\u6301\u3057\u3066\u4e0d\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3067\u304d\u308b\u306e\u3067\u9069\u7528\u3057\u306a\u3044\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>*\u6ce8\uff1a <a href=\"https:\/\/docs.oracle.com\/cd\/E11882_01\/appdev.112\/e40758\/d_parallel_ex.htm#ARPLS67339\" target=\"_blank\" rel=\"noreferrer noopener\">DBMS_PARALLEL_EXECUTE Chunk by ROWID \u4f8b<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p>\u3053\u3053\u307e\u3067ROWID\u5206\u5272\u65b9\u5f0f\u306b\u3064\u3044\u3066\u898b\u3066\u307f\u305f\u3002\u4ee5\u4e0b\u306f\u3001NUMBER column \u5206\u5272\u65b9\u5f0f\u3092\u898b\u3066\u307f\u308b\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u696d\u5358\u4f4d\u5206\u5272\u8a73\u7d30\u78ba\u8a8d\u95a2\u9023\u5185\u5bb9\u3067\u3042\u308b\u3002 ROWID\u3067\u4f5c\u696d\u5358\u4f4d\u3092\u5206\u5272\u3057\u305f\u7d50\u679c\u304c\u3069\u306e\u7a0b\u5ea6\u5747\u4e00\u306b\u5206\u5272\u3055\u308c\u308b\u306e\u304b\u3001\u4f5c\u696d\u5358\u4f4d\u306e\u5408\u8a08\u304c\u5168\u4f53\u3068\u540c\u3058\u306b\u6b20\u3051\u3066\u3044\u306a\u3044\u304b\u3001\u4f5c\u696d\u5358\u4f4d\u6570\u3068\u30b8\u30e7\u30d6\u6570\u306e\u76f8\u95a2\u95a2\u4fc2\u3092\u8abf\u3079\u308b\u3002\u524d\u306e\u8a18\u4e8b\u3067\u7d9a\u304f\u5185\u5bb9\u3060\u3002 2. 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