{"id":85031,"date":"2024-10-17T12:48:19","date_gmt":"2024-10-17T04:48:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/85031\/"},"modified":"2024-10-17T12:48:19","modified_gmt":"2024-10-17T04:48:19","slug":"ora-12822-parallel-%e5%ad%90%e5%8f%a5%e4%b8%ad%e7%9a%84%e9%81%b8%e9%a0%85%e9%87%8d%e8%a4%87%e3%80%82oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/85031\/","title":{"rendered":"ORA-12822: PARALLEL \u5b50\u53e5\u4e2d\u7684\u9078\u9805\u91cd\u8907\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-12822-parallel-%e5%ad%90%e5%8f%a5%e4%b8%ad%e7%9a%84%e9%81%b8%e9%a0%85%e9%87%8d%e8%a4%87-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e8%88%87%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-FReqWNGGIy\">ORA-12822: PARALLEL \u5b50\u53e5\u4e2d\u7684\u9078\u9805\u91cd\u8907 &#8211; \u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-12822<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528 <code>PARALLEL<\/code> \u5b50\u53e5\u6642\uff0c\u8868\u793a\u5728\u8a72\u5b50\u53e5\u4e2d\u51fa\u73fe\u4e86\u91cd\u8907\u7684\u9078\u9805\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-12822-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-FReqWNGGIy\">ORA-12822 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528 <code>PARALLEL<\/code> \u5b50\u53e5\u6642\uff0cOracle \u6578\u64da\u5eab\u6703\u671f\u671b\u8a72\u5b50\u53e5\u4e2d\u7684\u9078\u9805\u662f\u552f\u4e00\u7684\u3002\u5982\u679c\u5728\u540c\u4e00\u67e5\u8a62\u4e2d\u91cd\u8907\u6307\u5b9a\u4e86\u67d0\u500b\u9078\u9805\uff0c\u5247\u6703\u5f15\u767c <code>ORA-12822<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728 <code>PARALLEL<\/code> \u5b50\u53e5\u4e2d\u591a\u6b21\u6307\u5b9a\u4e86\u76f8\u540c\u7684\u53c3\u6578\uff0c\u4f8b\u5982 <code>PARALLEL (DOP 4)<\/code> \u548c <code>PARALLEL (DOP 4)<\/code>\u3002<\/li>\n<li>\u5728\u67e5\u8a62\u7684\u4e0d\u540c\u90e8\u5206\u4e2d\u4e0d\u5c0f\u5fc3\u91cd\u8907\u4e86 <code>PARALLEL<\/code> \u5b50\u53e5\u3002<\/li>\n<li>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u8a9e\u6cd5\u6216\u683c\u5f0f\uff0c\u5c0e\u81f4 Oracle \u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-12822-%e9%8c%af%e8%aa%a4-FReqWNGGIy\">\u5982\u4f55\u4fee\u5fa9 ORA-12822 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-12822<\/code> \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u6aa2\u67e5 SQL \u67e5\u8a62\u4e2d <code>PARALLEL<\/code> \u5b50\u53e5\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-sql-%e8%aa%9e%e6%b3%95-FReqWNGGIy\">1. \u6aa2\u67e5 SQL \u8a9e\u6cd5<\/h3>\n<p>\u78ba\u4fdd\u4f60\u7684 SQL \u8a9e\u6cd5\u6b63\u78ba\uff0c\u4e26\u4e14 <code>PARALLEL<\/code> \u5b50\u53e5\u4e2d\u7684\u9078\u9805\u6c92\u6709\u91cd\u8907\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT \/*+ PARALLEL(table_name, 4) *\/ *\nFROM table_name;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u78ba\u4fdd\u6c92\u6709\u5176\u4ed6\u5730\u65b9\u518d\u6b21\u4f7f\u7528 <code>PARALLEL(table_name, 4)<\/code>\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d-dop-%e8%a8%ad%e7%bd%ae-FReqWNGGIy\">2. \u78ba\u8a8d DOP \u8a2d\u7f6e<\/h3>\n<p>\u5982\u679c\u4f60\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86 <code>DOP<\/code>\uff08Degree of Parallelism\uff09\uff0c\u8acb\u6aa2\u67e5\u662f\u5426\u5728\u540c\u4e00\u67e5\u8a62\u4e2d\u591a\u6b21\u6307\u5b9a\u4e86\u76f8\u540c\u7684 <code>DOP<\/code> \u503c\u3002\u6b63\u78ba\u7684\u5beb\u6cd5\u61c9\u8a72\u662f\uff1a<\/p>\n<pre><code>SELECT \/*+ PARALLEL(table_name, 4) *\/ *\nFROM table_name\nWHERE condition;<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e6%9f%a5%e8%a9%a2-FReqWNGGIy\">3. \u6e2c\u8a66\u67e5\u8a62<\/h3>\n<p>\u5728\u4fee\u6b63\u4e86 SQL \u8a9e\u6cd5\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c\u67e5\u8a62\u4ee5\u78ba\u8a8d\u554f\u984c\u662f\u5426\u5df2\u89e3\u6c7a\u3002\u5982\u679c\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u9700\u8981\u9032\u4e00\u6b65\u6aa2\u67e5\u5176\u4ed6\u53ef\u80fd\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-12822-%e9%8c%af%e8%aa%a4-FReqWNGGIy\">\u9060\u7a0b\u8655\u7406 ORA-12822 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u9032\u884c\u4fee\u5fa9\u3002\u9019\u6642\uff0c\u9060\u7a0b\u8655\u7406\u6210\u70ba\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u901a\u904e\u9060\u7a0b\u684c\u9762\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u6aa2\u67e5\u548c\u4fee\u5fa9 SQL \u67e5\u8a62\u3002<\/li>\n<li><strong>\u5229\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u5982 Oracle SQL Developer \u7b49\u5de5\u5177\uff0c\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u4e86\u66f4\u53cb\u597d\u7684\u754c\u9762\u4f86\u6aa2\u67e5\u548c\u4fee\u6539 SQL \u67e5\u8a62\u3002<\/li>\n<li><strong>\u8acb\u6c42\u5c08\u696d\u652f\u6301\uff1a<\/strong>\u5982\u679c\u554f\u984c\u4ecd\u7136\u7121\u6cd5\u89e3\u6c7a\uff0c\u53ef\u4ee5\u8003\u616e\u5c0b\u6c42\u5c08\u696d\u7684\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\uff0c\u9019\u4e9b\u670d\u52d9\u901a\u5e38\u80fd\u5920\u63d0\u4f9b\u66f4\u6df1\u5165\u7684\u6280\u8853\u652f\u6301\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FReqWNGGIy\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-12822<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc <code>PARALLEL<\/code> \u5b50\u53e5\u4e2d\u7684\u9078\u9805\u91cd\u8907\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u8a9e\u6cd5\u3001\u78ba\u8a8d DOP \u8a2d\u7f6e\u4ee5\u53ca\u9032\u884c\u5fc5\u8981\u7684\u6e2c\u8a66\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u7684\u60c5\u6cc1\uff0c\u9060\u7a0b\u8655\u7406\u4e5f\u662f\u4e00\u500b\u53ef\u884c\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u670d\u52d9\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-12822 \u932f\u8aa4\uff0c\u4fee\u5fa9 Oracle \u4e2d PARALLEL \u5b50\u53e5\u7684\u9078\u9805\u91cd\u8907\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u9060\u7a0b\u8655\u7406\u65b9\u6848\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-85031","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85031","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=85031"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85031\/revisions"}],"predecessor-version":[{"id":85032,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85031\/revisions\/85032"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=85031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=85031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=85031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}