{"id":11886,"date":"2022-10-02T20:24:39","date_gmt":"2022-10-02T11:24:39","guid":{"rendered":"https:\/\/prodskill.com\/?p=11886"},"modified":"2022-10-04T23:56:46","modified_gmt":"2022-10-04T14:56:46","slug":"oracle-dbms-parallel-execute-4-chunk-by-sql","status":"publish","type":"post","link":"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/","title":{"rendered":"4.\u81ea\u5b9a\u4e49SQL\u5206\u533a\u65b9\u5f0f\u5e76\u884c\u5904\u7406\u6848\u4f8b\uff08DBMS_PARALLEL_EXECUTE\uff09"},"content":{"rendered":"<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4f7f\u7528Oracle DBMS_PARALLEL_EXECUTE \u7684\u7528\u6237\u81ea\u5b9a\u4e49SQL \u5206\u533a\u5e76\u884c\u7684\u60c5\u51b5\u3002\u5305\u62ec\u7f16\u5199\u7528\u6237\u81ea\u5b9a\u4e49SQL\u3001\u6d4b\u8bd5\u73af\u5883\u3001\u4f5c\u4e1a\u521b\u5efa\u3001\u4f5c\u4e1a\u5212\u5206\u3001\u4f5c\u4e1a\u6267\u884c\u3001\u4f5c\u4e1a\u5b8c\u6210\u786e\u8ba4\u548c\u5220\u9664\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7684\u5ef6\u7eed\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-3-chunk-by-number-column\/\">3. NUMBER\u5217\u5206\u533a\u6cd5\u5e76\u884c\u5904\u7406\u6848\u4f8b\uff08DBMS_PARALLEL_EXECUTE\uff09<\/a><\/p>\n\n\n\n<p>* \u53c2\u8003\u7532\u9aa8\u6587\u6587\u6863\uff1a <a href=\"https:\/\/docs.oracle.com\/cd\/E11882_01\/appdev.112\/e40758\/d_parallel_ex.htm#ARPLS67359\" target=\"_blank\" rel=\"noreferrer noopener\">DBMS_PARALLEL_EXECUTE \u2013 CREATE_CHUNKS_BY_SQL \u8fc7\u7a0b (oracle.com)<\/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\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 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href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#4_%EC%82%AC%EC%9A%A9%EC%9E%90_%EC%A0%95%EC%9D%98_SQL_%EB%B6%84%ED%95%A0_%EB%B0%A9%EC%8B%9D_%EB%B3%91%EB%A0%AC_%EC%B2%98%EB%A6%AC_%EC%82%AC%EB%A1%80\" >4.\u81ea\u5b9a\u4e49SQL\u5206\u533a\u5e76\u884c\u5904\u7406\u6848\u4f8b<\/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-4-chunk-by-sql\/#41_%EC%82%AC%EC%9A%A9%EC%9E%90_%EC%A0%95%EC%9D%98_SQL_%EB%B6%84%ED%95%A0_%EB%B0%A9%EC%8B%9D_%EA%B0%9C%EC%9A%94\" >4.1.\u81ea\u5b9a\u4e49 SQL \u5206\u533a\u65b9\u6cd5\u6982\u8ff0<\/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-4-chunk-by-sql\/#42_%EC%82%AC%EC%9A%A9%EC%9E%90_%EC%A0%95%EC%9D%98_SQL_%EC%9E%91%EC%84%B1\" >4.2.\u7f16\u5199\u81ea\u5b9a\u4e49 SQL<\/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-4-chunk-by-sql\/#43_%ED%85%8C%EC%8A%A4%ED%8A%B8_%ED%99%98%EA%B2%BD_%EB%B0%8F_%ED%85%8C%EC%8A%A4%ED%8A%B8_%ED%85%8C%EC%9D%B4%EB%B8%94_%EC%83%9D%EC%84%B1\" >4.3.\u521b\u5efa\u6d4b\u8bd5\u73af\u5883\u548c\u6d4b\u8bd5\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#44_%EC%9E%91%EC%97%85_%EC%83%9D%EC%84%B1\" >4.4.\u521b\u9020\u5c31\u4e1a<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#441_%EC%9E%91%EC%97%85%EC%83%9D%EC%84%B1\" >4.4.1.\u521b\u9020\u5c31\u4e1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#442_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84_%EB%B6%84%ED%95%A0\" >4.4.2.\u62c6\u5206\u5de5\u4f5c\u5355\u5143<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#45_%EC%9E%91%EC%97%85_%EC%8B%A4%ED%96%89\" >4.5.\u4f5c\u4e1a\u8fd0\u884c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#46_%EC%9E%91%EC%97%85_%EC%99%84%EB%A3%8C_%ED%99%95%EC%9D%B8_%EB%B0%8F_%EC%82%AD%EC%A0%9C\" >4.6.\u786e\u8ba4\u4efb\u52a1\u5b8c\u6210\u5e76\u5220\u9664<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/prodskill.com\/zh\/oracle-dbms-parallel-execute-4-chunk-by-sql\/#5_%EA%B3%A0%EB%A0%A4%EC%82%AC%ED%95%AD\" >\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"4._\uc0ac\uc6a9\uc790_\uc815\uc758_SQL_\ubd84\ud560_\ubc29\uc2dd\uc758_\ubcd1\ub82c_\ucc98\ub9ac_\uc0ac\ub840\"><span class=\"ez-toc-section\" id=\"4_%EC%82%AC%EC%9A%A9%EC%9E%90_%EC%A0%95%EC%9D%98_SQL_%EB%B6%84%ED%95%A0_%EB%B0%A9%EC%8B%9D_%EB%B3%91%EB%A0%AC_%EC%B2%98%EB%A6%AC_%EC%82%AC%EB%A1%80\"><\/span>4.\u81ea\u5b9a\u4e49SQL\u5206\u533a\u5e76\u884c\u5904\u7406\u6848\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4.1._\uc0ac\uc6a9\uc790_\uc815\uc758_SQL_\ubd84\ud560_\ubc29\uc2dd_\uac1c\uc694\"><span class=\"ez-toc-section\" id=\"41_%EC%82%AC%EC%9A%A9%EC%9E%90_%EC%A0%95%EC%9D%98_SQL_%EB%B6%84%ED%95%A0_%EB%B0%A9%EC%8B%9D_%EA%B0%9C%EC%9A%94\"><\/span>4.1.\u81ea\u5b9a\u4e49 SQL \u5206\u533a\u65b9\u6cd5\u6982\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u901a\u8fc7\u7528\u6237\u5b9a\u4e49\u7684 SQL \u8fdb\u884c\u5206\u533a\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u5f88\u6709\u7528\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5728 ROWID \u5206\u533a\u65b9\u6cd5\u4e0d\u652f\u6301\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u5206\u533a\uff08\u4f8b\u5982\uff0c\u901a\u8fc7 DB Link \u5bf9\u8fdc\u7a0b\u8868\u8fdb\u884c ROWID \u5206\u533a\uff09<\/li><li>\u6839\u636e NUMBER \u5217\u4ee5\u5916\u7684\u5217\uff08VARCHAR2\u3001DATE \u7b49\uff09\u8fdb\u884c\u62c6\u5206<\/li><\/ul>\n\n\n\n<p>\u8fd9\u91cc\u5c31\u7b2c\u4e00\u79cd\u60c5\u51b5\u901a\u8fc7DB Link\u5212\u5206ROWID\u7684\u60c5\u51b5\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u5c1d\u8bd5\u4f7f\u7528 CREATE_CHUNKS_BY_ROWID \u901a\u8fc7 DB Link \u62c6\u5206\u8868\u7684 ROWID\uff0c\u53d1\u751f\u9519\u8bef\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=\"\">-- 1\ub2e8\uacc4: \uc791\uc5c5\uc0dd\uc131\nBEGIN\n  DBMS_PARALLEL_EXECUTE.CREATE_TASK(TASK_NAME => 'DPE_TEST(BY ROWID, VIA DBLINK)');\nEND;\n\/\n\n-- 2\ub2e8\uacc4: \uc791\uc5c5 \ub2e8\uc704 \ubd84\ud560\nBEGIN\n  DBMS_PARALLEL_EXECUTE\n    .CREATE_CHUNKS_BY_ROWID(TASK_NAME   => 'DPE_TEST(BY ROWID, VIA DBLINK)',\n                            TABLE_OWNER => USER,\n                            -- TABLE _NAME\uc744 \u201cT1@DL_MS949\u201d\ub85c DB Link \uc9c0\uc815\n                            TABLE_NAME  => 'T1@DL_MS949',\n                            BY_ROW      => TRUE,\n                            CHUNK_SIZE  => 10000);\nEND;\n\/\n\n--> \uc2e4\ud589 \uc624\ub958 \uba54\uc2dc\uc9c0\nORA-29491: \uc870\uac01\uc5d0 \ubd80\uc801\ud569\ud55c \ud14c\uc774\ube14\nORA-06512: \"SYS.DBMS_PARALLEL_EXECUTE\",  27\ud589\nORA-06512: \"SYS.DBMS_PARALLEL_EXECUTE\",  121\ud589\nORA-06512:  4\ud589<\/pre>\n\n\n\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7CREATE_CHUNKS_BY_SQL \u6765\u521b\u5efa\u548c\u5e94\u7528\u5728DB Link \u4e0a\u5212\u5206\u8868\u7684ROWID \u7684SQL\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=\"\">DBMS_PARALLEL_EXECUTE.CREATE_CHUNKS_BY_SQL (\n   task_name  IN  VARCHAR2,\n   sql_stmt   IN  CLOB,\n   by_rowid   IN  BOOLEAN);<\/pre>\n\n\n\n<p>sql_stmt\u662fCLOB\u7c7b\u578b\uff0c\u4f7f\u7528\u65f6\u51e0\u4e4e\u6ca1\u6709\u957f\u5ea6\u9650\u5236\uff0c\u4f46\u8fd9\u91cc\u5efa\u8bae\u4f7f\u7528\u6d41\u6c34\u7ebf\u51fd\u6570\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u63cf\u8ff0SQL\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4.2._\uc0ac\uc6a9\uc790_\uc815\uc758_SQL_\uc791\uc131\"><span class=\"ez-toc-section\" id=\"42_%EC%82%AC%EC%9A%A9%EC%9E%90_%EC%A0%95%EC%9D%98_SQL_%EC%9E%91%EC%84%B1\"><\/span>4.2.\u7f16\u5199\u81ea\u5b9a\u4e49 SQL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u7528\u6237\u5b9a\u4e49\u7684\u7c7b\u578b\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u8fd4\u56de\u8be5\u7c7b\u578b\u7ed3\u679c\u96c6\u7684\u6d41\u6c34\u7ebf\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\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=\"\">-- 1. TYPE \uc0dd\uc131 (Pipe-Lined function\uc5d0\uc11c return\ud558\uae30 \uc704\ud568)\nCREATE OR REPLACE TYPE TP_ROWID_RANGE AS OBJECT (\n    START_ROWID VARCHAR2(50)\n   ,END_ROWID   VARCHAR2(50)\n);\n\nCREATE OR REPLACE TYPE TL_ROWID_RANGE AS TABLE OF TP_ROWID_RANGE;\n\n-- 2. Function \uc0dd\uc131\nCREATE OR REPLACE FUNCTION FN_SPLIT_BY_ROWID(\n    I_OWNER IN VARCHAR2, I_TABLE_NAME IN VARCHAR2, I_CHUNKS IN NUMBER)\nRETURN TL_ROWID_RANGE\nPIPELINED\nAS\n  CURSOR C_ROWID_RANGE (CP_OWNER VARCHAR2, CP_TABLE_NAME VARCHAR2, CP_CHUNKS NUMBER)\n  IS\n    SELECT GRP,\n           DBMS_ROWID.ROWID_CREATE( 1, DATA_OBJECT_ID, LO_FNO, LO_BLOCK, 0 ) MIN_RID,\n           DBMS_ROWID.ROWID_CREATE( 1, DATA_OBJECT_ID, HI_FNO, HI_BLOCK, 10000 ) MAX_RID\n      FROM (\n            SELECT DISTINCT GRP,\n                   FIRST_VALUE(RELATIVE_FNO) \n                    OVER (PARTITION BY GRP ORDER BY RELATIVE_FNO, BLOCK_ID\n                          ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) LO_FNO,\n                   FIRST_VALUE(BLOCK_ID) \n                   OVER (PARTITION BY GRP ORDER BY RELATIVE_FNO, BLOCK_ID\n                        ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) LO_BLOCK,\n                   LAST_VALUE(RELATIVE_FNO) \n                    OVER (PARTITION BY GRP ORDER BY RELATIVE_FNO, BLOCK_ID\n                    ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) HI_FNO,\n                   LAST_VALUE(BLOCK_ID+BLOCKS-1) \n                    OVER (PARTITION BY GRP ORDER BY RELATIVE_FNO, BLOCK_ID\n                     ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) HI_BLOCK,\n                   SUM(BLOCKS) OVER (PARTITION BY GRP) SUM_BLOCKS\n              FROM (\n                    SELECT RELATIVE_FNO, BLOCK_ID, BLOCKS,\n                           TRUNC( (SUM(BLOCKS) OVER (ORDER BY RELATIVE_FNO, BLOCK_ID)-0.01) \/\n                                  (SUM(BLOCKS) OVER ()\/ CP_CHUNKS) ) GRP\n                      FROM DBA_EXTENTS@DL_MS949\n                     WHERE SEGMENT_NAME = UPPER(CP_TABLE_NAME)\n                       AND OWNER = UPPER(CP_OWNER)\n                     ORDER BY BLOCK_ID\n                   )\n           ),\n           (SELECT DATA_OBJECT_ID\n              FROM DBA_OBJECTS@DL_MS949\n             WHERE OWNER = UPPER(CP_OWNER)\n               AND OBJECT_NAME = UPPER(CP_TABLE_NAME))\n     ORDER BY GRP\n    ;\nBEGIN\n  FOR ROWID_RANGE IN C_ROWID_RANGE(I_OWNER, I_TABLE_NAME, I_CHUNKS) LOOP\n      PIPE ROW(TP_ROWID_RANGE(ROWID_RANGE.MIN_RID, ROWID_RANGE.MAX_RID));\n  END LOOP;\n  RETURN;\nEND;\n\/<\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u51fd\u6570\u4e2d\u4f7f\u7528\u7684SQL\u662f\u5728DBA_EXTENTS\u7684\u57fa\u7840\u4e0a\u4ee5\u5757\u4e3a\u5355\u4f4d\u8fdb\u884cROWID\u5212\u5206\uff0c\u53c2\u8003Thomas Kyte\u5efa\u8bae\u7684\u6280\u672f\uff0c\u7a0d\u5fae\u4fee\u6539\u4e3a\u4f7f\u7528DB Link\u3002<\/p>\n\n\n\n<p style=\"font-size:16px\">* \u53c2\u8003\u7f51\u5740\uff1a&nbsp;<a href=\"https:\/\/asktom.oracle.com\/pls\/asktom\/f?p=100:11:0::::P11_QUESTION_ID:10498431232211\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/asktom.oracle.com\/pls\/asktom\/f?p=100:11:0::::P11_QUESTION_ID:10498431232211<\/a><\/p>\n\n\n\n<p>DB Link\u662f\u901a\u8fc7\u6307\u5b9aDL_MS949\u6765\u4f7f\u7528\u7684\uff0c\u5982\u679c\u8fd8\u60f3\u52a8\u6001\u6307\u5b9aDB Link\uff0c\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u51fd\u6570\u7684cursor SQL\u6539\u6210\u52a8\u6001SQL\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u7528\u8fd9\u4e2a\u51fd\u6570\u5bf9LEG.SUB_MON_STAT\u8868\uff08\u603b\u65707426\uff09\u6309ROWID\u8fdb\u884c\u5206\u533a\uff0c\u5219\u5982\u4e0b\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=\"\">-- DL_MS949 DB Link\uc0c1\uc758 LEG owner, SUB_MON_STAT table\uc5d0 \ub300\ud574 4\uac1c\uc758 Chunk\ub85c ROWID \ubd84\ud560\nSELECT ROWNUM RNO, START_ROWID, END_ROWID\n  FROM TABLE(FN_SPLIT_BY_ROWID('LEG', 'SUB_MON_STAT', 4))\n;<\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Row#<\/strong><\/td><td><strong>START_ROWID<\/strong><\/td><td><strong>END_ROWID<\/strong><\/td><\/tr><tr><td>1<\/td><td>AAAQXFAAEAAAACIAAA<\/td><td>AAAQXFAAEAAAAC3CcQ<\/td><\/tr><tr><td>2<\/td><td>AAAQXFAAEAAAAC4AAA<\/td><td>AAAQXFAAAEAAAADHCcQ<\/td><\/tr><tr><td>3<\/td><td>AAAQXFAAAEAAAADIAAA<\/td><td>AAAQXFAAAEAAAADXCcQ<\/td><\/tr><tr><td>4<\/td><td>AAAQXFAAAEAAAADYAAA<\/td><td>AAAQXFAAAEAAAADnCcQ<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u7528\u8fd9\u91cc\u751f\u6210\u7684ROWID\u62c6\u5206\u6570\u636e\u65f6\uff0c\u7528\u4e0b\u9762\u7684SQL\u68c0\u67e5\u6574\u4e2a\u6570\u636e\u662f\u5426\u6709\u9057\u6f0f\u3002&nbsp;<\/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 R.RNO, COUNT(*) CNT\n  FROM SUB_MON_STAT S\n      ,(\n        SELECT 1 RNO, 'AAAQXFAAEAAAACIAAA' START_ROWID, 'AAAQXFAAEAAAAC3CcQ' END_ROWID FROM DUAL\n        UNION ALL\n        SELECT 2 RNO, 'AAAQXFAAEAAAAC4AAA' START_ROWID, 'AAAQXFAAEAAAADHCcQ' END_ROWID FROM DUAL\n        UNION ALL\n        SELECT 3 RNO, 'AAAQXFAAEAAAADIAAA' START_ROWID, 'AAAQXFAAEAAAADXCcQ' END_ROWID FROM DUAL\n        UNION ALL\n        SELECT 4 RNO, 'AAAQXFAAEAAAADYAAA' START_ROWID, 'AAAQXFAAEAAAADnCcQ' END_ROWID FROM DUAL\n       ) R\n WHERE S.ROWID BETWEEN R.START_ROWID AND END_ROWID\n GROUP BY R.RNO\n ORDER BY R.RNO\n;<\/pre>\n\n\n\n<p>\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u3002 \uff08CNT \u53ef\u80fd\u56e0\u6bcf\u4e2a\u6d4b\u8bd5\u73af\u5883\u800c\u5f02\u3002\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>RNO\uff08\u5757\u53f7\uff09<\/td><td>\u78b3\u7eb3\u7c73\u7ba1<\/td><\/tr><tr><td>1<\/td><td>1,790<\/td><\/tr><tr><td>2<\/td><td>2,206<\/td><\/tr><tr><td>3<\/td><td>2,209<\/td><\/tr><tr><td>4<\/td><td>1,221<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>CNT\u603b\u548c\u4e3a7426\uff0c\u7b49\u4e8e\u8868\u7684\u603b\u884c\u6570\uff0c\u786e\u8ba4\u65e0\u9057\u6f0f\u3002\u8fd9\u91cc\u6bcf\u4e2aRNO\u5212\u5206\u7684\u884c\u6570\u5206\u522b\u4e3a1790\u30012206\u30012209\u30011221\uff0c\u4e0d\u76f8\u7b49\u3002\u8fd9\u548cROWID\u5206\u533a\u65b9\u6cd5\u4e2d\u63cf\u8ff0\u7684\u4e0d\u7b49\u5206\u7684\u539f\u56e0\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4.3._\ud14c\uc2a4\ud2b8_\ud658\uacbd_\ubc0f_\ud14c\uc2a4\ud2b8_\ud14c\uc774\ube14_\uc0dd\uc131\"><span class=\"ez-toc-section\" id=\"43_%ED%85%8C%EC%8A%A4%ED%8A%B8_%ED%99%98%EA%B2%BD_%EB%B0%8F_%ED%85%8C%EC%8A%A4%ED%8A%B8_%ED%85%8C%EC%9D%B4%EB%B8%94_%EC%83%9D%EC%84%B1\"><\/span>4.3.\u521b\u5efa\u6d4b\u8bd5\u73af\u5883\u548c\u6d4b\u8bd5\u8868<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u76ee\u6807\u6570\u636e\u5e93\u5728<dl>\u4f7f\u7528 DB Link \u7684\u6e90\u6570\u636e\u5e93\u7684<sub>\u684c\u5b50<sub>\u5047\u8bbe\u5bfc\u5165\u4e00\u4e2a\u6d4b\u8bd5\u573a\u666f\uff0c\u8fdb\u884c\u5982\u4e0b\u73af\u5883\u914d\u7f6e\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-64.png\"><img loading=\"lazy\" decoding=\"async\" width=\"390\" height=\"207\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64.png\" alt=\"\uc0ac\uc6a9\uc790 \uc815\uc758 SQL \ubd84\ud560 \ubc29\uc2dd \ubcd1\ub82c \ucc98\ub9ac \ud14c\uc2a4\ud2b8 \ud658\uacbd \uac1c\ub150\ub3c4\" class=\"wp-image-11887\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64.png 390w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64-300x159.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64-18x10.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64-24x13.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64-36x19.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-64-48x25.png 48w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/><\/a><figcaption>\u81ea\u5b9a\u4e49SQL\u62c6\u5206\u5f0f\u5e76\u884c\u5904\u7406\u6d4b\u8bd5\u73af\u5883\u6982\u5ff5\u56fe<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u76ee\u6807\u6570\u636e\u5e93<sub>\u8be5\u8868\u662f\u4f7f\u7528\u4ee5\u4e0b DDL \u9884\u5148\u521b\u5efa\u7684\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=\"\">CREATE TABLE SUB_MON_STAT_COPY\nAS\nSELECT USE_MON, LINE_NUM, SUB_STA_ID, SUB_STA_NM, RIDE_PASGR_NUM, ALIGHT_PASGR_NUM, WORK_DT\n   FROM SUB_MON_STAT@DL_MS949\n WHERE 1=2;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4.4._\uc791\uc5c5_\uc0dd\uc131\"><span class=\"ez-toc-section\" id=\"44_%EC%9E%91%EC%97%85_%EC%83%9D%EC%84%B1\"><\/span>4.4.\u521b\u9020\u5c31\u4e1a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"441_%EC%9E%91%EC%97%85%EC%83%9D%EC%84%B1\"><\/span>4.4.1.\u521b\u9020\u5c31\u4e1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\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=\"\">-- 1\ub2e8\uacc4: \uc791\uc5c5\uc0dd\uc131\nBEGIN\n  DBMS_PARALLEL_EXECUTE.CREATE_TASK(TASK_NAME => 'DPE_TEST(BY SQL(ROWID), VIA DBLINK)');\nEND;\n\/\n\n-- \uc791\uc5c5 \uc0dd\uc131 \ud655\uc778\nSELECT * FROM USER_PARALLEL_EXECUTE_TASKS;<\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-1024x536.png\" alt=\"1\ub2e8\uacc4: \uc0ac\uc6a9\uc790 \uc815\uc758 SQL \ubd84\ud560 \ubc29\uc2dd \ubcd1\ub82c \ucc98\ub9ac \uc791\uc5c5 \uc0dd\uc131 \ud655\uc778\" class=\"wp-image-11888\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-1024x536.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-300x157.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-768x402.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-18x9.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-24x13.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-36x19.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65-48x25.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-65.png 1028w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u6b65\u9aa4 1\uff1a\u9a8c\u8bc1\u521b\u5efa\u81ea\u5b9a\u4e49 SQL \u5206\u533a\u5e76\u884c\u5904\u7406\u4f5c\u4e1a<\/figcaption><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"442_%EC%9E%91%EC%97%85_%EB%8B%A8%EC%9C%84_%EB%B6%84%ED%95%A0\"><\/span>4.4.2.\u62c6\u5206\u5de5\u4f5c\u5355\u5143<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u4f7f\u7528 FN_SPLIT_BY_ROWID \u51fd\u6570\uff0c\u5c06\u5de5\u4f5c\u5355\u5143\u6307\u5b9a\/\u62c6\u5206\u4e3a 4 \u4e2a\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_SQL(\n          TASK_NAME => 'DPE_TEST(BY SQL(ROWID), VIA DBLINK)',\n          SQL_STMT  => 'SELECT START_ROWID, END_ROWID FROM TABLE(FN_SPLIT_BY_ROWID(''LEG'', ''SUB_MON_STAT'', 4))',\n          BY_ROWID  => TRUE);\nEND;\n\/\n\n-- \uc791\uc5c5 \ubd84\ud560 \uc0c1\ud0dc \ud655\uc778\nSELECT *\n  FROM USER_PARALLEL_EXECUTE_CHUNKS WHERE TASK_NAME = 'DPE_TEST(BY SQL(ROWID), VIA DBLINK)';<\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-1024x536.png\" alt=\"2\ub2e8\uacc4: \uc0ac\uc6a9\uc790 \uc815\uc758 SQL \ubd84\ud560 \ubc29\uc2dd \ubcd1\ub82c \ucc98\ub9ac \uc791\uc5c5 \ubd84\ud560 \uc0c1\ud0dc \ud655\uc778\" class=\"wp-image-11889\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-1024x536.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-300x157.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-768x402.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-18x9.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-24x13.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-36x19.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66-48x25.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-66.png 1028w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u7b2c\u4e8c\u6b65\uff1a\u67e5\u770b\u81ea\u5b9a\u4e49SQL\u5206\u533a\u5e76\u884c\u5ea6\u4efb\u52a1\u62c6\u5206\u72b6\u6001<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"4.5._\uc791\uc5c5_\uc2e4\ud589\"><span class=\"ez-toc-section\" id=\"45_%EC%9E%91%EC%97%85_%EC%8B%A4%ED%96%89\"><\/span>4.5.\u4f5c\u4e1a\u8fd0\u884c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u901a\u8fc7\u5728 WHERE \u5b50\u53e5\u4e2d\u6307\u5b9a ROWID \u6761\u4ef6\u6765\u6267\u884c\u4efb\u52a1\u3002\u8fd9\u91cc\u4efb\u52a1\u6570\u8bbe\u7f6e\u4e3a4\uff0c\u4e0e\u5de5\u4f5c\u5355\u5143\u6570\u76f8\u540c\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=\"\">-- 3\ub2e8\uacc4: \uc791\uc5c5 \uc2e4\ud589\nDECLARE\n  L_SQL_STMT VARCHAR2(32767);\nBEGIN\n  L_SQL_STMT := 'INSERT INTO SUB_MON_STAT_COPY\n                 SELECT USE_MON, LINE_NUM, SUB_STA_ID, SUB_STA_NM,RIDE_PASGR_NUM, ALIGHT_PASGR_NUM, WORK_DT\n                   FROM SUB_MON_STAT@DL_MS949\n                  WHERE ROWID BETWEEN :START_ID AND :END_ID';\n\n  DBMS_PARALLEL_EXECUTE.RUN_TASK(TASK_NAME      => 'DPE_TEST(BY SQL(ROWID), VIA DBLINK)',\n                                 SQL_STMT       => L_SQL_STMT,\n                                 LANGUAGE_FLAG  => DBMS_SQL.NATIVE,\n                                 PARALLEL_LEVEL => 4);\nEND;\n\/\n\n-- \uc791\uc5c5 \uc2e4\ud589\uc0c1\ud669, \uc624\ub958\ucf54\ub4dc\/\uba54\uc2dc\uc9c0 \ud655\uc778\nSELECT  *\n  FROM  USER_PARALLEL_EXECUTE_CHUNKS\n WHERE  TASK_NAME = 'DPE_TEST(BY SQL(ROWID), VIA DBLINK)';<\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-1024x667.png\" alt=\"3\ub2e8\uacc4: \uc791\uc5c5 \uc2e4\ud589 \uc0c1\ud669 \ud655\uc778\" class=\"wp-image-11890\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-1024x667.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-300x196.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-768x501.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-36x23.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67-48x31.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-67.png 1028w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u7b2c 3 \u6b65\uff1a\u68c0\u67e5\u6267\u884c\u72b6\u6001<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"4.6._\uc791\uc5c5_\uc644\ub8cc_\ud655\uc778_\ubc0f_\uc0ad\uc81c\"><span class=\"ez-toc-section\" id=\"46_%EC%9E%91%EC%97%85_%EC%99%84%EB%A3%8C_%ED%99%95%EC%9D%B8_%EB%B0%8F_%EC%82%AD%EC%A0%9C\"><\/span>4.6.\u786e\u8ba4\u4efb\u52a1\u5b8c\u6210\u5e76\u5220\u9664<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u68c0\u67e5\u4f5c\u4e1a\u5b8c\u6210\u60c5\u51b5\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 \uc644\ub8cc \ud655\uc778\nSELECT *\n  FROM USER_PARALLEL_EXECUTE_TASKS;<\/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-68.png\"><img loading=\"lazy\" decoding=\"async\" width=\"753\" height=\"491\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68.png\" alt=\"\uc791\uc5c5 \uc644\ub8cc \ud655\uc778\" class=\"wp-image-11891\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68.png 753w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68-300x196.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68-36x23.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-68-48x31.png 48w\" sizes=\"auto, (max-width: 753px) 100vw, 753px\" \/><\/a><figcaption>\u786e\u8ba4\u4efb\u52a1\u5b8c\u6210<\/figcaption><\/figure>\n<\/div>\n\n\n<p>DROP_TASK( ) \u5220\u9664\u4f5c\u4e1a\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=\"\">-- 4\ub2e8\uacc4: \uc791\uc5c5\uc0ad\uc81c\nBEGIN\n  DBMS_PARALLEL_EXECUTE.DROP_TASK(TASK_NAME => 'DPE_TEST(BY SQL(ROWID), VIA DBLINK)');\nEND;\n\/<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5._\uace0\ub824\uc0ac\ud56d\"><span class=\"ez-toc-section\" id=\"5_%EA%B3%A0%EB%A0%A4%EC%82%AC%ED%95%AD\"><\/span>\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5f53\u76ee\u6807\u8868\u662f\u5206\u533a\u8868\u5e76\u4e14 DML \u662f INSERT<ul><li>\u5f53\u6309\u5206\u533a\u6570\u8fdb\u884c\u5206\u533a\u5e76\u4ee5\u5206\u533a\u952e\u4e3a\u5355\u4f4d\u5904\u7406\u6570\u636e\u65f6\uff0c\u76f4\u63a5\u8def\u5f84 I\/O \u6709\u671b\u6210\u4e3a\u53ef\u80fd\u3002 \uff08\u6211\u8fd8\u6ca1\u6709\u6d4b\u8bd5\u8fc7\uff0c\u4f46\u4f3c\u4e4e\u53ef\u4ee5\uff09<\/li><li>\u9700\u8981\u5728 INSERT \u8bed\u6cd5\u4e2d\u4f7f\u7528 \/*+ APPEND *\/ \u63d0\u793a\u5e76\u5c06\u5206\u533a\u8bbe\u7f6e\u4e3a NOLOGGING<\/li><\/ul><\/li><li>\u5982\u679c\u76ee\u6807\u8868\u662f\u975e\u5206\u533a\u8868<ul><li>\u76f4\u63a5\u8def\u5f84 I\/O \u662f\u4e0d\u53ef\u80fd\u7684\uff0c\u53ea\u6709\u4f20\u7edf\u7684 I\/O \u662f\u53ef\u80fd\u7684<\/li><li>\u7531\u4e8e UNDO \u7684\u6570\u91cf\u53ef\u80fd\u975e\u5e38\u5927\uff0c\u56e0\u6b64\u6709\u5fc5\u8981\u63d0\u524d\u786e\u4fdd\u7a7a\u95f2\u5b58\u50a8\u7a7a\u95f4\u3002<\/li><li>\u5982\u679c\u5c06\u5757\u5927\u5c0f\u8bbe\u7f6e\u4e3a\u8f83\u5c0f\u7684\u5927\u5c0f\uff0c\u5219\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u9650\u5236 UNDO \u7684\u5927\u5c0f\u3002<\/li><\/ul><\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p>\u4e0a\u9762\uff0c\u6211\u4eec\u67e5\u770b\u4e86\u5982\u4f55\u4f7f\u7528 DBMS_PARALLEL_EXECUTE\u3002\u8fd9\u662f\u6211\u51e0\u5e74\u524d\u5728\u4e00\u4e2a\u9879\u76ee\u4e2d\u901a\u8fc7DB Link\u641c\u7d22\u5e76\u884c\u52a0\u8f7d\u5305\u542bCLOB\u5217\u7684\u8868\u65f6\u53d1\u73b0\u7684\u65b9\u6cd5\u3002\u6211\u5e0c\u671b\u6211\u5bf9\u4efb\u4f55\u60f3\u8981\u4f7f\u7528\u5b83\u7684\u4eba\u90fd\u89e3\u91ca\u5f97\u8db3\u591f\u597d\u3002&nbsp;<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u6709\u4efb\u4f55\u95ee\u9898\uff0c\u8bf7\u5728\u8bc4\u8bba\u4e2d\u7559\u4e0b\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4f7f\u7528Oracle DBMS_PARALLEL_EXECUTE \u7684\u7528\u6237\u81ea\u5b9a\u4e49SQL \u5206\u533a\u5e76\u884c\u7684\u60c5\u51b5\u3002\u5305\u62ec\u7f16\u5199\u7528\u6237\u81ea\u5b9a\u4e49SQL\u3001\u6d4b\u8bd5\u73af\u5883\u3001\u4f5c\u4e1a\u521b\u5efa\u3001\u4f5c\u4e1a\u5212\u5206\u3001\u4f5c\u4e1a\u6267\u884c\u3001\u4f5c\u4e1a\u5b8c\u6210\u786e\u8ba4\u548c\u5220\u9664\u3002\u8fd9\u662f\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7684\u5ef6\u7eed\u3002 3. \u6570\u5b57...<\/p>","protected":false},"author":1,"featured_media":11887,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[242,243,244,245,246],"class_list":["post-11886","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>4. \uc0ac\uc6a9\uc790 \uc815\uc758 SQL \ubd84\ud560 \ubc29\uc2dd \ubcd1\ub82c \ucc98\ub9ac \uc0ac\ub840 (DBMS_PARALLEL_EXECUTE) - \uc0dd\uc0b0\uc131 Skill<\/title>\n<meta name=\"description\" content=\"Oracle DBMS_PARALLEL_EXECUTE \ub97c \ud65c\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790 \uc815\uc758 SQL \ubd84\ud560 \ubc29\uc2dd \ubcd1\ub82c \ucc98\ub9ac \uc0ac\ub840\uc5d0 \ub300\ud574 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