{"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\/zh\/oracle-dbms-parallel-execute-1-overview\/","title":{"rendered":"1. DML\u4efb\u52a1\u4e2d\u7684\u5e76\u884c\u6027\u6982\u8ff0\uff08DBMS_PARALLEL_EXECUTE\uff09"},"content":{"rendered":"<p>\u4ecb\u7ecd DBMS_PARALLEL_EXECUTE\uff0c\u5b83\u53ef\u4ee5\u4ece Oracle 11g R2 \u5f00\u59cb\u4f7f\u7528\uff0c\u5e76\u68c0\u67e5\u7528\u4f8b\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-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\u6267\u884c\u6982\u5ff5\u56fe<\/figcaption><\/figure>\n<\/div>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u56fe\u7247\u6765\u6e90\uff1a&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;\u76ee\u5f55&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=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/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\/zh\/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\" >\u4e00\u3001DML\u4efb\u52a1\u5e76\u884c\u5904\u7406\u6982\u8ff0<\/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\/zh\/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\u5e76\u884c\u5904\u7406\u65b9\u6cd5<\/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\/zh\/oracle-dbms-parallel-execute-1-overview\/#12_DBMS_PARALLEL_EXECUTE_%EA%B0%9C%EB%85%90\" >1.2. DBMS_PARALLEL_EXECUTE \u6982\u5ff5<\/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\/zh\/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.\u4e3a DBMS_PARALLEL_EXECUTE \u6d4b\u8bd5\u521b\u5efa\u8868\u548c\u6570\u636e<\/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>\u4e00\u3001DML\u4efb\u52a1\u5e76\u884c\u5904\u7406\u6982\u8ff0<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\u5e76\u884c\u5904\u7406\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u60a8\u60f3\u4f7f\u7528\u5c3d\u53ef\u80fd\u591a\u7684\u8d44\u6e90\u5feb\u901f\u5904\u7406\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u4e2a DML\uff08INSERT\u3001UPDATE\u3001DELETE\uff09\u4f5c\u4e1a\u65f6\uff0c\u4f7f\u7528\u5e76\u884c\u5904\u7406\u3002\u5e76\u884c\u5904\u7406\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u79cd\u65b9\u6cd5\u662f\u5728\u6267\u884c\u4e00\u4e2a SQL \u65f6\u6307\u5b9a\u5e76\u884c\u5ea6\u4f5c\u4e3a\u63d0\u793a\uff08Parallel DML\uff0c\u5355\u4e8b\u52a1\uff09\uff0c\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u901a\u8fc7\u6307\u5b9a\u6570\u636e\u8303\u56f4\uff08Program Parallel DML\uff0c\u591a\u4e8b\u52a1\uff09\u6765\u6267\u884c\u591a\u4e2a SQL\u3002\uff09am .<\/p>\n\n\n\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u7b2c\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373 Parallel DML \u65b9\u6cd5\uff0c\u5728\u6570\u636e\u4e00\u81f4\u6027\u65b9\u9762\u5177\u6709\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u662f\u4f5c\u4e3a\u5355\u4e2a\u4e8b\u52a1\u5904\u7406\u7684\u3002\u4f46\u662f\uff0c\u5982\u679c\u7b2c\u4e00\u79cd\u65b9\u6cd5\u65e0\u6cd5\u5e94\u7528\u6216\u8005\u60a8\u60f3\u81ea\u5df1\u5b9a\u4e49\u5de5\u4f5c\u5355\u5143\u7684\u5927\u5c0f\u6216\u8303\u56f4\uff0c\u5219\u6700\u597d\u5e94\u7528\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u3002 \uff08\u6240\u4ee5\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u4e5f\u53ebDIY\uff08Do It Yourself\uff09\u5e76\u884cDML\uff09<\/p>\n\n\n\n<p>\u65e0\u6cd5\u5e94\u7528\u5e76\u884c DML \u7684\u60c5\u51b5\u793a\u4f8b\u5982\u4e0b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7528\u4e8e\u9009\u62e9\u5305\u542b LOB \u5217\u7684\u8868\u7684 DML<\/li><li>\u6570\u636e\u5e93\u94fe\u63a5\u4e0a\u7684 DML<\/li><li>\u5728 PL\/SQL \u5355\u5143\u4e2d\u5e76\u884c\u5904\u7406 DML\uff0c\u800c\u4e0d\u662f\u5728\u590d\u6742\u8fc7\u7a0b\u4e2d\u5b9e\u73b0\u7684 SQL \u5355\u5143\u6216\u8fc7\u7a0b\u5355\u5143<\/li><li>\u672a\u5728 PL\/SQL \u4e2d\u5b9e\u73b0\u5e76\u5728 Java \u7b49\u8bed\u8a00\u4e2d\u8fd0\u884c\u7684 DML<\/li><\/ul>\n\n\n\n<p>\u6267\u884cProgram Parallel DML\u7684\u6b65\u9aa4\u4f1a\u6839\u636e\u60c5\u51b5\u7565\u6709\u4e0d\u540c\uff0c\u4f46\u5927\u4f53\u5982\u4e0b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u5de5\u4f5c\u76ee\u6807\u7684\u9009\u62e9<\/li><li>\u9009\u62e9\u5e76\u884c\u5ea6\u548c\u5de5\u4f5c\u5355\u5143\u7684\u5212\u5206\uff08Partition\u3001date\u3001number\u3001ROWID\u7b49\uff09-&gt;\u6309\u5de5\u4f5c\u5355\u5143\u521b\u5efa.sql\u6587\u4ef6<\/li><li>\u4efb\u52a1\u6267\u884c\u548c\u76d1\u63a7 -&gt; \u5728\u5355\u4e2a\u4f1a\u8bdd\uff08SQL*Plus \u7b49\uff09\u4e2d\u6267\u884c\u6bcf\u4e2a .sql \u6587\u4ef6<\/li><li>\u786e\u8ba4\u4efb\u52a1\u5b8c\u6210-&gt;\u9a8c\u8bc1\u884c\u6570\u6bd4\u8f83\u3001\u603b\u548c\u6bd4\u8f83\u7b49\u3002<\/li><\/ol>\n\n\n\n<p>\u5f53\u9700\u6c42\u6216\u60c5\u51b5\u53d1\u751f\u53d8\u5316\uff0c\u9700\u8981\u66f4\u6539\u5e76\u884c\u5ea6\uff08DOP\uff09\u6216\u9700\u8981\u8fd4\u5de5\u65f6\uff0c\u91cd\u590d\u6267\u884c\u6b65\u9aa42\u548c\u6b65\u9aa43\uff0c\u7ba1\u7406\u548c\u786e\u8ba4\u5e76\u4e0d\u7b80\u5355\u3002\u6bcf\u5f53\u9700\u8981\u66f4\u6539\u65f6\uff0c\u90fd\u5fc5\u987b\u4e00\u904d\u53c8\u4e00\u904d\u5730\u624b\u52a8\u91cd\u590d\u7c7b\u4f3c\u7684\u4efb\u52a1\uff0c\u8fd9\u5f88\u4e0d\u65b9\u4fbf\u3002<\/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. DBMS_PARALLEL_EXECUTE \u6982\u5ff5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728\u4f7f\u7528Program Parallel\u65b9\u5f0f\u65f6\uff0c\u4f7f\u7528DBMS_PARALLEL_EXECUTE\u53ef\u4ee5\u66f4\u65b9\u4fbf\u7684\u6267\u884c\u548c\u7ba1\u7406\u8fd9\u4e2a\u4efb\u52a1\u3002<\/p>\n\n\n\n<p style=\"font-size:16px\">* \u53c2\u8003\u7532\u9aa8\u6587\u6587\u4ef6\uff1a&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>\uff08\u4f5c\u4e3a\u53c2\u8003\uff0cDBMS_PARALLEL_EXECUTE \u5728\u5185\u90e8\u4f7f\u7528 JOB\uff0c\u56e0\u6b64\u5fc5\u987b\u5c06 CREATE JOB \u6743\u9650\u6388\u4e88\u6267\u884c\u7528\u6237\u3002\uff09<\/p>\n\n\n\n<p>DBMS_PARALLEL_EXECUTE \u662f Oracle 11g R2 \u4e2d\u4f5c\u4e3a\u65b0\u7279\u6027\u5f15\u5165\u7684\u5305\u3002\u4e3b\u8981\u5b50\u7a0b\u5e8f\u5217\u8868\u5982\u4e0b\u8868\u6240\u793a\uff0c\u5b8c\u6574\u5217\u8868\u548c\u89e3\u91ca\u53ef\u4ee5\u5728Oracle\u6587\u6863\u4e2d\u627e\u5230\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u5b50\u7a0b\u5e8f<\/td><td>\u89e3\u91ca<\/td><\/tr><tr><td>CREATE_TASK \u8fc7\u7a0b<\/td><td>\u521b\u5efa\u4efb\u52a1<\/td><\/tr><tr><td>CREATE_CHUNKS_BY_NUMBER_COL \u7a0b\u5e8f<\/td><td>\u6309 NUMBER \u5217\u521b\u5efa\u5757<\/td><\/tr><tr><td>CREATE_CHUNKS_BY_ROWID \u7a0b\u5e8f<\/td><td>\u4f7f\u7528 ROWID \u521b\u5efa\u5757<\/td><\/tr><tr><td>CREATE_CHUNKS_BY_SQL \u8fc7\u7a0b<\/td><td>\u4f7f\u7528\u81ea\u5b9a\u4e49 SQL \u521b\u5efa\u5757<\/td><\/tr><tr><td>DROP_TASK \u7a0b\u5e8f<\/td><td>\u5220\u9664\u4efb\u52a1<\/td><\/tr><tr><td>DROP_CHUNKS \u7a0b\u5e8f<\/td><td>\u6d88\u9664\u5757<\/td><\/tr><tr><td>RESUME_TASK \u7a0b\u5e8f<\/td><td>\u91cd\u65b0\u8fd0\u884c\u505c\u6b62\u7684\u4efb\u52a1<\/td><\/tr><tr><td>RUN_TASK \u7a0b\u5e8f<\/td><td>\u6267\u884c\u4efb\u52a1<\/td><\/tr><tr><td>STOP_TASK \u8fc7\u7a0b<\/td><td>\u505c\u6b62\u4efb\u52a1<\/td><\/tr><tr><td>TASK_STATUS \u7a0b\u5e8f<\/td><td>\u8fd4\u56de\u4efb\u52a1\u5f53\u524d\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5e94\u7528 DBMS_PARALLEL_EXECUTE \u7684\u6b65\u9aa4\u4e0e\u6267\u884c Program Parallel DML \u7684\u6b65\u9aa4\u51e0\u4e4e\u76f8\u4f3c\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u521b\u5efa\u4efb\u52a1 (CREATE_TASK)<\/li><li>\u5212\u5206\u5de5\u4f5c\u5355\u5143\uff08chunk\uff09\uff08\u63d0\u4f9bROWID\u3001NUMBER\u3001SQL\u4e09\u79cd\u65b9\u6cd5\uff09<ul><li>CREATE_CHUNKS_BY_ROWID<\/li><li>CREATE_CHUNKS_BY_NUMBER_COL<\/li><li>\u521b\u5efa_CHUNKS_BY_SQL<\/li><\/ul><\/li><li>\u8fd0\u884c\u4efb\u52a1 (RUN_TASK)<\/li><li>\u4efb\u52a1\u5b8c\u6210\u540e\u5220\u9664\uff08DROP_TASK\uff09<\/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.\u4e3a DBMS_PARALLEL_EXECUTE \u6d4b\u8bd5\u521b\u5efa\u8868\u548c\u6570\u636e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4f7f\u7528\u4ee5\u4e0b\u811a\u672c\u521b\u5efa\u8981\u6d4b\u8bd5\u7684\u8868\u548c\u6570\u636e\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=\"\">-- \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>\u6d4b\u8bd5\u4e2d\u8981\u7528\u52304\u4e2a\u5217\uff0c\u6bcf\u4e2a\u5217\u7684\u7528\u9014\u5982\u4e0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u5217\u540d<\/td><td>\u7528\u6cd5<\/td><\/tr><tr><td>ID<\/td><td>\u7528\u4e8e\u6807\u8bc6\u8868\u4e2d\u6bcf\u4e00\u884c\u7684\u503c<\/td><\/tr><tr><td>\u5473\u7cbe<\/td><td>\u63d0\u4f9b\u63cf\u8ff0\u7684\u503c<\/td><\/tr><tr><td>\u503c<\/td><td>\u6d4b\u8bd5\u6267\u884c\u4e2d\u66f4\u65b0\u7684\u968f\u673a\u503c<\/td><\/tr><tr><td>\u6fb3\u5143ID<\/td><td>\u68c0\u67e5\u8fd0\u884c\u6d4b\u8bd5\u7684\u4f1a\u8bdd\u6570\u7684\u503c\u3002<br>\u5b83\u7528 SYS_CONTEXT(&#039;USERENV&#039;,&#039;SESSIONID&#039;) \u66f4\u65b0\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4f5c\u4e3a\u53c2\u8003\uff0c\u8fdb\u884c\u8be5\u6d4b\u8bd5\u7684\u73af\u5883\u5982\u4e0b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>DBMS\uff1aOracle 11g R2 Enterprise 11.2.0.1.0 32 \u4f4d\uff08\u5728 Windows 7 x64 \u4e0a\uff09<\/li><li>\u786c\u4ef6\uff1aCPU i5-5200U 2.20GHz\uff0c\u5185\u5b58 8GB\uff0cSSD 250GB<\/li><\/ul>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u5212\u5206\u6bcf\u4e2a\u5de5\u4f5c\u5355\u5143\uff08chunk\uff09\u7684\u65b9\u5f0f\u6765\u770b\u4e00\u4e2a\u6848\u4f8b\u3002<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u4ecb\u7ecd DBMS_PARALLEL_EXECUTE\uff0c\u5b83\u53ef\u4ee5\u4ece Oracle 11g R2 \u5f00\u59cb\u4f7f\u7528\uff0c\u5e76\u68c0\u67e5\u7528\u4f8b\u3002\u56fe\u7247\u6765\u6e90\uff1ahttps:\/\/blogs.oracle.com\/warehousebuilder\/parallel-processing-with-dbmsparallelexecute \u4e00\u3001DML\u4efb\u52a1\u5e76\u884c\u5904\u7406\u6982\u8ff0 1.1\uff0e DML Parallel Processing Method Parallel Processing \u5f53\u4f60\u60f3\u901a\u8fc7\u4f7f\u7528\u5c3d\u53ef\u80fd\u591a\u7684\u8d44\u6e90\u6765\u5feb\u901f\u5904\u7406\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u4e2a DML\uff08INSERT\u3001UPDATE\u3001DELETE\uff09\u4f5c\u4e1a\u65f6\u4f7f\u7528\u3002\u5e76\u884c\u5904\u7406\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u3002\u7b2c\u4e00\u7684...<\/p>","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 v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1. 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