{"id":182064,"date":"2024-11-09T20:48:18","date_gmt":"2024-11-09T12:48:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182064\/"},"modified":"2024-11-09T20:48:19","modified_gmt":"2024-11-09T12:48:19","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e8%a8%8eoracle%e5%87%bd%e6%95%b8%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182064\/","title":{"rendered":"\u6df1\u5165\u63a2\u8a0eOracle\u51fd\u6578\u7d22\u5f15"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e8%a8%8eoracle%e5%87%bd%e6%95%b8%e7%b4%a2%e5%bc%95-KFczjvvCfx\">\u6df1\u5165\u63a2\u8a0eOracle\u51fd\u6578\u7d22\u5f15<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5176\u4e2d\u51fd\u6578\u7d22\u5f15\uff08Function-Based 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id=\"%e5%87%bd%e6%95%b8%e7%b4%a2%e5%bc%95%e7%9a%84%e5%84%aa%e5%8b%a2-KFczjvvCfx\">\u51fd\u6578\u7d22\u5f15\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a<\/strong>\u51fd\u6578\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u57fa\u65bc\u8a08\u7b97\u7d50\u679c\u7684\u67e5\u8a62\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u7576\u67e5\u8a62\u4e2d\u6d89\u53ca\u5230\u5b57\u7b26\u4e32\u64cd\u4f5c\u6216\u6578\u5b78\u8a08\u7b97\u6642\uff0c\u4f7f\u7528\u51fd\u6578\u7d22\u5f15\u53ef\u4ee5\u907f\u514d\u5168\u8868\u6383\u63cf\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u5275\u5efa\u81ea\u5b9a\u7fa9\u7684\u51fd\u6578\u7d22\u5f15\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u5eab\u7684\u67e5\u8a62\u66f4\u52a0\u9748\u6d3b\u548c\u9ad8\u6548\u3002<\/li>\n<li><strong>\u652f\u6301\u8907\u96dc\u67e5\u8a62\uff1a<\/strong>\u51fd\u6578\u7d22\u5f15\u53ef\u4ee5\u652f\u6301\u66f4\u8907\u96dc\u7684\u67e5\u8a62\u689d\u4ef6\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u591a\u500b\u5217\u6216\u9700\u8981\u9032\u884c\u6578\u64da\u8f49\u63db\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-KFczjvvCfx\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u51fd\u6578\u7d22\u5f15\u7279\u5225\u9069\u5408\u4ee5\u4e0b\u5e7e\u7a2e\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\u8655\u7406\uff1a<\/strong>\u4f8b\u5982\uff0c\u7576\u9700\u8981\u67e5\u8a62\u67d0\u500b\u5217\u7684\u5b50\u5b57\u7b26\u4e32\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6578\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002<\/li>\n<li><strong>\u65e5\u671f\u8a08\u7b97\uff1a<\/strong>\u5728\u9700\u8981\u57fa\u65bc\u65e5\u671f\u9032\u884c\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\uff0c\u51fd\u6578\u7d22\u5f15\u53ef\u4ee5\u5e6b\u52a9\u5feb\u901f\u5b9a\u4f4d\u76f8\u95dc\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u5b78\u904b\u7b97\uff1a<\/strong>\u5c0d\u65bc\u9700\u8981\u9032\u884c\u6578\u5b78\u8a08\u7b97\u7684\u67e5\u8a62\uff0c\u51fd\u6578\u7d22\u5f15\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%87%bd%e6%95%b8%e7%b4%a2%e5%bc%95-KFczjvvCfx\">\u5982\u4f55\u5275\u5efa\u51fd\u6578\u7d22\u5f15<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u51fd\u6578\u7d22\u5f15\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX idx_upper_name ON employees(UPPER(name));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u70ba\u201cemployees\u201d\u8868\u4e2d\u7684\u201cname\u201d\u5217\u5275\u5efa\u4e86\u4e00\u500b\u51fd\u6578\u7d22\u5f15\uff0c\u8a72\u7d22\u5f15\u57fa\u65bc\u201cUPPER\u201d\u51fd\u6578\u7684\u7d50\u679c\u3002\u9019\u6a23\uff0c\u5728\u67e5\u8a62\u6642\uff0c\u5982\u679c\u4f7f\u7528\u4e86UPPER(name)\u4f5c\u70ba\u67e5\u8a62\u689d\u4ef6\uff0cOracle\u5c07\u80fd\u5920\u5229\u7528\u9019\u500b\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-KFczjvvCfx\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1\u51fd\u6578\u7d22\u5f15\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u5f71\u97ff\uff1a<\/strong>\u5275\u5efa\u904e\u591a\u7684\u51fd\u6578\u7d22\u5f15\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u5beb\u5165\u6027\u80fd\uff0c\u56e0\u70ba\u6bcf\u6b21\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u7d22\u5f15\u90fd\u9700\u8981\u91cd\u65b0\u8a08\u7b97\u3002<\/li>\n<li><strong>\u7dad\u8b77\u6210\u672c\uff1a<\/strong>\u51fd\u6578\u7d22\u5f15\u7684\u7dad\u8b77\u6210\u672c\u76f8\u5c0d\u8f03\u9ad8\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u5927\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u517c\u5bb9\u6027\uff1a<\/strong>\u67d0\u4e9b\u51fd\u6578\u53ef\u80fd\u4e0d\u652f\u6301\u7d22\u5f15\uff0c\u56e0\u6b64\u5728\u5275\u5efa\u51fd\u6578\u7d22\u5f15\u4e4b\u524d\uff0c\u61c9\u8a72\u6aa2\u67e5\u6240\u4f7f\u7528\u7684\u51fd\u6578\u662f\u5426\u53ef\u4ee5\u88ab\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KFczjvvCfx\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u51fd\u6578\u7d22\u5f15\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u8907\u96dc\u67e5\u8a62\u6642\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u51fd\u6578\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u67e5\u8a62\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u51fd\u6578\u7d22\u5f15\u7684\u539f\u7406\u3001\u512a\u52e2\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u67e5\u8a62\u6027\u80fd\uff0c\u512a\u5316\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\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-182064","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182064","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=182064"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182064\/revisions"}],"predecessor-version":[{"id":182065,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182064\/revisions\/182065"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}