{"id":95232,"date":"2024-10-19T23:20:18","date_gmt":"2024-10-19T15:20:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95232\/"},"modified":"2024-10-19T23:20:19","modified_gmt":"2024-10-19T15:20:19","slug":"oracle%e9%96%8b%e7%99%bc%e9%9d%a2%e8%a9%a6%e9%a1%8c%e9%9b%86%e9%8c%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95232\/","title":{"rendered":"Oracle\u958b\u767c\u9762\u8a66\u984c\u96c6\u9326"},"content":{"rendered":"<h1 id=\"oracle%e9%96%8b%e7%99%bc%e9%9d%a2%e8%a9%a6%e9%a1%8c%e9%9b%86%e9%8c%a6-RbEMqtVPea\">Oracle\u958b\u767c\u9762\u8a66\u984c\u96c6\u9326<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u79d1\u6280\u74b0\u5883\u4e2d\uff0cOracle\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u4f01\u696d\u548c\u884c\u696d\u3002\u5c0d\u65bc\u5e0c\u671b\u9032\u5165Oracle\u958b\u767c\u9818\u57df\u7684\u6c42\u8077\u8005\u4f86\u8aaa\uff0c\u9762\u8a66\u6e96\u5099\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684Oracle\u958b\u767c\u9762\u8a66\u554f\u984c\uff0c\u5e6b\u52a9\u6c42\u8077\u8005\u66f4\u597d\u5730\u6e96\u5099\u9762\u8a66\u3002<\/p>\n<h2 id=\"1-oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98-RbEMqtVPea\">1. Oracle\u6578\u64da\u5eab\u57fa\u790e\u77e5\u8b58<\/h2>\n<p>\u9762\u8a66\u5b98\u901a\u5e38\u6703\u5f9e\u57fa\u672c\u6982\u5ff5\u958b\u59cb\u63d0\u554f\uff0c\u4ee5\u78ba\u4fdd\u5019\u9078\u4eba\u5c0dOracle\u6578\u64da\u5eab\u7684\u57fa\u672c\u7406\u89e3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u4ec0\u9ebc\u662fOracle\u6578\u64da\u5eab\uff1f<\/strong> <br \/>Oracle\u6578\u64da\u5eab\u662f\u4e00\u500b\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08RDBMS\uff09\uff0c\u7531Oracle\u516c\u53f8\u958b\u767c\uff0c\u652f\u6301SQL\u8a9e\u8a00\uff0c\u4e26\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002<\/li>\n<li><strong>\u89e3\u91cb\u4e00\u4e0b\u8868\u3001\u884c\u548c\u5217\u7684\u6982\u5ff5\u3002<\/strong> <br \/>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u8868\u662f\u6578\u64da\u7684\u96c6\u5408\uff0c\u884c\u4ee3\u8868\u4e00\u689d\u8a18\u9304\uff0c\u800c\u5217\u5247\u662f\u8a18\u9304\u7684\u5c6c\u6027\u3002<\/li>\n<li><strong>\u4ec0\u9ebc\u662f\u4e3b\u9375\u548c\u5916\u9375\uff1f<\/strong> <br \/>\u4e3b\u9375\u662f\u552f\u4e00\u6a19\u8b58\u8868\u4e2d\u6bcf\u4e00\u884c\u7684\u5b57\u6bb5\uff0c\u800c\u5916\u9375\u5247\u662f\u7528\u4f86\u5efa\u7acb\u8868\u4e4b\u9593\u95dc\u806f\u7684\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<h2 id=\"2-sql%e6%9f%a5%e8%a9%a2%e5%95%8f%e9%a1%8c-RbEMqtVPea\">2. SQL\u67e5\u8a62\u554f\u984c<\/h2>\n<p>SQL\u662fOracle\u958b\u767c\u7684\u6838\u5fc3\uff0c\u9762\u8a66\u4e2d\u7d93\u5e38\u6703\u6d89\u53ca\u5230SQL\u67e5\u8a62\u7684\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>\u5982\u4f55\u67e5\u8a62\u67d0\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff1f<\/strong> <br \/>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<code>SELECT * FROM \u8868\u540d;<\/code><\/li>\n<li><strong>\u5982\u4f55\u4f7f\u7528JOIN\u67e5\u8a62\u591a\u500b\u8868\u7684\u6578\u64da\uff1f<\/strong> <br \/>\u53ef\u4ee5\u4f7f\u7528INNER JOIN\u3001LEFT JOIN\u7b49\uff0c\u4f8b\u5982\uff1a<code>SELECT a.*, b.* FROM \u8868A a INNER JOIN \u8868B b ON a.id = b.a_id;<\/code><\/li>\n<li><strong>\u89e3\u91cb\u4e00\u4e0bGROUP BY\u7684\u7528\u6cd5\u3002<\/strong> <br \/>GROUP BY\u7528\u65bc\u5c07\u67e5\u8a62\u7d50\u679c\u6309\u6307\u5b9a\u5217\u5206\u7d44\uff0c\u901a\u5e38\u8207\u805a\u5408\u51fd\u6578\u4e00\u8d77\u4f7f\u7528\uff0c\u4f8b\u5982\uff1a<code>SELECT \u5217\u540d, COUNT(*) FROM \u8868\u540d GROUP BY \u5217\u540d;<\/code><\/li>\n<\/ul>\n<h2 id=\"3-pl-sql%e7%b7%a8%e7%a8%8b%e5%95%8f%e9%a1%8c-RbEMqtVPea\">3. PL\/SQL\u7de8\u7a0b\u554f\u984c<\/h2>\n<p>PL\/SQL\u662fOracle\u7684\u904e\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u9762\u8a66\u4e2d\u53ef\u80fd\u6703\u8981\u6c42\u5019\u9078\u4eba\u7de8\u5beb\u7c21\u55ae\u7684PL\/SQL\u4ee3\u78bc\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u4ec0\u9ebc\u662fPL\/SQL\uff1f<\/strong> <br \/>PL\/SQL\u662fOracle\u7684\u904e\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5141\u8a31\u958b\u767c\u8005\u7de8\u5beb\u8907\u96dc\u7684\u908f\u8f2f\u548c\u63a7\u5236\u7d50\u69cb\u3002<\/li>\n<li><strong>\u5982\u4f55\u5b9a\u7fa9\u4e00\u500bPL\/SQL\u904e\u7a0b\uff1f<\/strong> <br \/>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a\n<pre><code>CREATE OR REPLACE PROCEDURE \u7a0b\u5e8f\u540d AS\nBEGIN\n    -- \u4ee3\u78bc\u908f\u8f2f\nEND;<\/code><\/pre>\n<\/li>\n<li><strong>\u89e3\u91cb\u4e00\u4e0b\u6e38\u6a19\u7684\u6982\u5ff5\u3002<\/strong> <br \/>\u6e38\u6a19\u662f\u7528\u4f86\u904d\u6b77\u67e5\u8a62\u7d50\u679c\u96c6\u7684\u6307\u6a19\uff0c\u53ef\u4ee5\u662f\u96b1\u5f0f\u6e38\u6a19\u6216\u986f\u5f0f\u6e38\u6a19\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e5%95%8f%e9%a1%8c-RbEMqtVPea\">4. \u6027\u80fd\u512a\u5316\u554f\u984c<\/h2>\n<p>\u6027\u80fd\u512a\u5316\u662fOracle\u958b\u767c\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u65b9\u9762\uff0c\u9762\u8a66\u5b98\u53ef\u80fd\u6703\u8a62\u554f\u76f8\u95dc\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5982\u4f55\u512a\u5316SQL\u67e5\u8a62\u6027\u80fd\uff1f<\/strong> <br \/>\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u7d22\u5f15\u3001\u907f\u514d\u4f7f\u7528SELECT *\u3001\u5408\u7406\u4f7f\u7528JOIN\u7b49\u65b9\u5f0f\u4f86\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u4ec0\u9ebc\u662f\u57f7\u884c\u8a08\u5283\uff1f<\/strong> <br \/>\u57f7\u884c\u8a08\u5283\u662f\u6578\u64da\u5eab\u7528\u4f86\u57f7\u884cSQL\u67e5\u8a62\u7684\u6b65\u9a5f\uff0c\u901a\u904e\u5206\u6790\u57f7\u884c\u8a08\u5283\u53ef\u4ee5\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90-RbEMqtVPea\">5. \u5be6\u969b\u6848\u4f8b\u5206\u6790<\/h2>\n<p>\u5728\u9762\u8a66\u4e2d\uff0c\u9762\u8a66\u5b98\u53ef\u80fd\u6703\u8981\u6c42\u5019\u9078\u4eba\u5206\u6790\u5be6\u969b\u6848\u4f8b\uff0c\u9019\u901a\u5e38\u6d89\u53ca\u5230\u6578\u64da\u5eab\u8a2d\u8a08\u6216\u6027\u80fd\u554f\u984c\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5019\u9078\u4eba\u61c9\u8a72\u6e96\u5099\u597d\u5206\u4eab\u904e\u53bb\u7684\u7d93\u9a57\uff0c\u4e26\u5c55\u793a\u4ed6\u5011\u7684\u554f\u984c\u89e3\u6c7a\u80fd\u529b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RbEMqtVPea\">\u7e3d\u7d50<\/h2>\n<p>\u6e96\u5099Oracle\u958b\u767c\u9762\u8a66\u6642\uff0c\u4e86\u89e3\u57fa\u672c\u6982\u5ff5\u3001SQL\u67e5\u8a62\u3001PL\/SQL\u7de8\u7a0b\u53ca\u6027\u80fd\u512a\u5316\u7b49\u65b9\u9762\u7684\u77e5\u8b58\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u719f\u6089\u9019\u4e9b\u554f\u984c\uff0c\u6c42\u8077\u8005\u53ef\u4ee5\u63d0\u9ad8\u4ed6\u5011\u5728\u9762\u8a66\u4e2d\u7684\u8868\u73fe\uff0c\u589e\u52a0\u7372\u5f97\u5de5\u4f5c\u7684\u6a5f\u6703\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u670d\u52d9\uff0c\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u958b\u767c\u9762\u8a66\u984c\u96c6\u9326\uff0c\u6db5\u84cb\u95dc\u9375\u6280\u8853\u554f\u984c\u8207\u89e3\u7b54\uff0c\u52a9\u4f60\u8f15\u9b06\u6e96\u5099\u9762\u8a66\uff0c\u63d0\u5347\u6c42\u8077\u7af6\u722d\u529b\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-95232","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95232","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=95232"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95232\/revisions"}],"predecessor-version":[{"id":95233,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95232\/revisions\/95233"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}