{"id":179378,"date":"2024-11-09T01:19:29","date_gmt":"2024-11-08T17:19:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179378\/"},"modified":"2024-11-09T01:19:30","modified_gmt":"2024-11-08T17:19:30","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-pl-sql-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%88%e7%8e%87%ef%bc%9f-plsql-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-%e6%85%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179378\/","title":{"rendered":"\u5982\u4f55\u512a\u5316 PL\/SQL \u9023\u63a5\u6578\u64da\u5eab\u7684\u6548\u7387\uff1f (plsql \u9023\u63a5\u6578\u64da\u5eab \u6162)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-pl-sql-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%88%e7%8e%87%ef%bc%9f-SruATTvPOI\">\u5982\u4f55\u512a\u5316 PL\/SQL \u9023\u63a5\u6578\u64da\u5eab\u7684\u6548\u7387\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002PL\/SQL\uff08Procedural Language\/Structured Query Language\uff09\u662fOracle\u6578\u64da\u5eab\u7684\u4e00\u7a2e\u7a0b\u5e8f\u8a2d\u8a08\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u3002\u7136\u800c\uff0c\u8a31\u591a\u958b\u767c\u8005\u5728\u4f7f\u7528PL\/SQL\u9023\u63a5\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u6027\u80fd\u74f6\u9838\uff0c\u5c0e\u81f4\u9023\u63a5\u901f\u5ea6\u7de9\u6162\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u512a\u5316PL\/SQL\u9023\u63a5\u6578\u64da\u5eab\u7684\u6548\u7387\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e9%80%a3%e6%8e%a5%e6%b1%a0-SruATTvPOI\">1. \u4f7f\u7528\u9023\u63a5\u6c60<\/h2>\n<p>\u9023\u63a5\u6c60\u662f\u4e00\u7a2e\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u9023\u63a5\u7684\u958b\u92b7\u3002\u6bcf\u6b21\u5efa\u7acb\u548c\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\u90fd\u9700\u8981\u6d88\u8017\u8cc7\u6e90\uff0c\u9019\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u901a\u904e\u4f7f\u7528\u9023\u63a5\u6c60\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u91cd\u7528\u73fe\u6709\u7684\u9023\u63a5\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<pre><code>-- \u793a\u4f8b\uff1a\u4f7f\u7528\u9023\u63a5\u6c60\nDECLARE\n    v_conn UTL_TCP.connection;\nBEGIN\n    v_conn := UTL_TCP.open_connection('hostname', port);\n    -- \u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\n    UTL_TCP.close_connection(v_conn);\nEND;\n<\/code><\/pre>\n<h2 id=\"2-%e5%84%aa%e5%8c%96sql%e6%9f%a5%e8%a9%a2-SruATTvPOI\">2. \u512a\u5316SQL\u67e5\u8a62<\/h2>\n<p>\u4e0d\u826f\u7684SQL\u67e5\u8a62\u662f\u5c0e\u81f4PL\/SQL\u6027\u80fd\u4f4e\u4e0b\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002\u958b\u767c\u8005\u61c9\u8a72\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316SQL\u67e5\u8a62\uff0c\u4ee5\u78ba\u4fdd\u5176\u57f7\u884c\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316SQL\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\uff1a\u78ba\u4fdd\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u6709\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528SELECT *\uff1a\u50c5\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62\uff1a\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528JOIN\u4f86\u66ff\u4ee3\u5b50\u67e5\u8a62\uff0c\u901a\u5e38\u80fd\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<pre><code>-- \u793a\u4f8b\uff1a\u512a\u5316\u67e5\u8a62\nSELECT column1, column2\nFROM table_name\nWHERE condition;\n<\/code><\/pre>\n<h2 id=\"3-%e6%b8%9b%e5%b0%91%e7%b6%b2%e7%b5%a1%e5%bb%b6%e9%81%b2-SruATTvPOI\">3. \u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072<\/h2>\n<p>\u7db2\u7d61\u5ef6\u9072\u662f\u5f71\u97ffPL\/SQL\u9023\u63a5\u6548\u7387\u7684\u53e6\u4e00\u500b\u56e0\u7d20\u3002\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff1a<\/p>\n<ul>\n<li>\u9078\u64c7\u9760\u8fd1\u6578\u64da\u5eab\u7684\u4f3a\u670d\u5668\uff1a\u5c07\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\u5728\u9760\u8fd1\u6578\u64da\u5eab\u7684\u4f3a\u670d\u5668\u4e0a\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u8ddd\u96e2\u3002<\/li>\n<li>\u4f7f\u7528\u58d3\u7e2e\u6280\u8853\uff1a\u5728\u6578\u64da\u50b3\u8f38\u904e\u7a0b\u4e2d\u4f7f\u7528\u58d3\u7e2e\u6280\u8853\uff0c\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u50b3\u8f38\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e6%89%b9%e9%87%8f%e8%99%95%e7%90%86-SruATTvPOI\">4. \u4f7f\u7528\u6279\u91cf\u8655\u7406<\/h2>\n<p>\u5728PL\/SQL\u4e2d\uff0c\u6279\u91cf\u8655\u7406\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002\u901a\u904e\u5c07\u591a\u500b\u64cd\u4f5c\u5408\u4f75\u70ba\u4e00\u500b\u6279\u6b21\uff0c\u53ef\u4ee5\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>-- \u793a\u4f8b\uff1a\u6279\u91cf\u63d2\u5165\nFORALL i IN 1..collection.COUNT\n    INSERT INTO table_name (column1, column2)\n    VALUES (collection(i).value1, collection(i).value2);\n<\/code><\/pre>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e8%a9%a6-SruATTvPOI\">5. \u76e3\u63a7\u548c\u8abf\u8a66<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7\u548c\u8abf\u8a66PL\/SQL\u4ee3\u78bc\u662f\u78ba\u4fdd\u5176\u6027\u80fd\u7684\u95dc\u9375\u3002\u4f7f\u7528Oracle\u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982SQL Trace\u548cTKPROF\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SruATTvPOI\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316PL\/SQL\u9023\u63a5\u6578\u64da\u5eab\u7684\u6548\u7387\u9700\u8981\u5f9e\u591a\u500b\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u4f7f\u7528\u9023\u63a5\u6c60\u3001\u512a\u5316SQL\u67e5\u8a62\u3001\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3001\u4f7f\u7528\u6279\u91cf\u8655\u7406\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\u548c\u8abf\u8a66\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u63d0\u5347 PL\/SQL \u9023\u63a5\u6578\u64da\u5eab\u7684\u6548\u7387\uff0c\u89e3\u6c7a\u9023\u63a5\u7de9\u6162\u554f\u984c\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u8868\u73fe\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-179378","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179378","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=179378"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179378\/revisions"}],"predecessor-version":[{"id":179379,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179378\/revisions\/179379"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}