{"id":95260,"date":"2024-10-19T23:34:21","date_gmt":"2024-10-19T15:34:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95260\/"},"modified":"2024-10-19T23:34:22","modified_gmt":"2024-10-19T15:34:22","slug":"oracle%e9%82%8f%e8%bc%af%e7%b5%90%e6%a7%8b%e5%84%aa%e5%8c%96%e7%9a%84%e8%a7%a3%e5%89%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95260\/","title":{"rendered":"Oracle\u908f\u8f2f\u7d50\u69cb\u512a\u5316\u7684\u89e3\u5256"},"content":{"rendered":"<h1 id=\"oracle%e9%82%8f%e8%bc%af%e7%b5%90%e6%a7%8b%e5%84%aa%e5%8c%96%e7%9a%84%e8%a7%a3%e5%89%96-aBGuoDtuhn\">Oracle\u908f\u8f2f\u7d50\u69cb\u512a\u5316\u7684\u89e3\u5256<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u5e02\u5834\u4e0a\u6700\u53d7\u6b61\u8fce\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e4b\u4e00\uff0c\u5176\u908f\u8f2f\u7d50\u69cb\u7684\u512a\u5316\u5c0d\u65bc\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u8cc7\u6e90\u5229\u7528\u7387\u5177\u6709\u91cd\u8981\u610f\u7fa9\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u908f\u8f2f\u7d50\u69cb\u7684\u512a\u5316\u65b9\u6cd5\u53ca\u5176\u80cc\u5f8c\u7684\u539f\u7406\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e9%82%8f%e8%bc%af%e7%b5%90%e6%a7%8b%ef%bc%9f-aBGuoDtuhn\">\u4ec0\u9ebc\u662fOracle\u908f\u8f2f\u7d50\u69cb\uff1f<\/h2>\n<p>Oracle\u7684\u908f\u8f2f\u7d50\u69cb\u4e3b\u8981\u5305\u62ec\u8868\u3001\u7d22\u5f15\u3001\u8996\u5716\u548c\u5e8f\u5217\u7b49\u3002\u9019\u4e9b\u7d50\u69cb\u5171\u540c\u4f5c\u7528\uff0c\u6c7a\u5b9a\u4e86\u6578\u64da\u7684\u5b58\u5132\u65b9\u5f0f\u548c\u8a2a\u554f\u6548\u7387\u3002\u908f\u8f2f\u7d50\u69cb\u7684\u8a2d\u8a08\u76f4\u63a5\u5f71\u97ff\u5230\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u512a\u5316\u9019\u4e9b\u7d50\u69cb\u662f\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"%e9%82%8f%e8%bc%af%e7%b5%90%e6%a7%8b%e5%84%aa%e5%8c%96%e7%9a%84%e4%b8%bb%e8%a6%81%e6%96%b9%e6%b3%95-aBGuoDtuhn\">\u908f\u8f2f\u7d50\u69cb\u512a\u5316\u7684\u4e3b\u8981\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e8%a1%a8%e7%9a%84%e8%a8%ad%e8%a8%88-aBGuoDtuhn\">1. \u8868\u7684\u8a2d\u8a08<\/h3>\n<p>\u8868\u7684\u8a2d\u8a08\u662f\u908f\u8f2f\u7d50\u69cb\u512a\u5316\u7684\u57fa\u790e\u3002\u5408\u7406\u7684\u8868\u8a2d\u8a08\u53ef\u4ee5\u6e1b\u5c11\u5197\u9918\u6578\u64da\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\uff1a<\/strong>\u901a\u904e\u6b63\u898f\u5316\u4f86\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u5206\u5340\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5340\u6280\u8853\uff0c\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e7%b4%a2%e5%bc%95%e7%9a%84%e4%bd%bf%e7%94%a8-aBGuoDtuhn\">2. \u7d22\u5f15\u7684\u4f7f\u7528<\/h3>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7d22\u5f15\u512a\u5316\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\uff1a<\/strong>\u6839\u64da\u67e5\u8a62\u9700\u6c42\u9078\u64c7B-tree\u7d22\u5f15\u3001\u4f4d\u5716\u7d22\u5f15\u6216\u54c8\u5e0c\u7d22\u5f15\u7b49\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u591a\u7d22\u5f15\uff1a<\/strong>\u96d6\u7136\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u4f46\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u6578\u64da\u7684\u63d2\u5165\u548c\u66f4\u65b0\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e8%a6%96%e5%9c%96%e7%9a%84%e4%bd%bf%e7%94%a8-aBGuoDtuhn\">3. \u8996\u5716\u7684\u4f7f\u7528<\/h3>\n<p>\u8996\u5716\u53ef\u4ee5\u7c21\u5316\u8907\u96dc\u67e5\u8a62\uff0c\u4e26\u63d0\u4f9b\u6578\u64da\u7684\u5b89\u5168\u6027\u3002\u4f7f\u7528\u8996\u5716\u6642\uff0c\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u7269\u5316\u8996\u5716\uff1a<\/strong>\u5c0d\u65bc\u7d93\u5e38\u67e5\u8a62\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7269\u5316\u8996\u5716\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u901a\u904e\u8996\u5716\u4f86\u7c21\u5316\u8907\u96dc\u7684SQL\u67e5\u8a62\uff0c\u63d0\u9ad8\u53ef\u8b80\u6027\u548c\u7dad\u8b77\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"4-sql%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-aBGuoDtuhn\">4. SQL\u67e5\u8a62\u512a\u5316<\/h3>\n<p>\u512a\u5316SQL\u67e5\u8a62\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684SQL\u512a\u5316\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528EXPLAIN\u8a08\u5283\uff1a<\/strong>\u901a\u904e\u5206\u6790\u67e5\u8a62\u8a08\u5283\u4f86\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u907f\u514d\u4f7f\u7528SELECT *\uff1a<\/strong>\u50c5\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-aBGuoDtuhn\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u908f\u8f2f\u7d50\u69cb\u7684\u512a\u5316\u662f\u4e00\u500b\u7cfb\u7d71\u6027\u5de5\u7a0b\uff0c\u6d89\u53ca\u5230\u8868\u7684\u8a2d\u8a08\u3001\u7d22\u5f15\u7684\u4f7f\u7528\u3001\u8996\u5716\u7684\u7ba1\u7406\u4ee5\u53caSQL\u67e5\u8a62\u7684\u512a\u5316\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u512a\u5316\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u652f\u6301\u4f01\u696d\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<p>\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u6216<code>\u4e91\u670d\u52a1\u5668<\/code>\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u908f\u8f2f\u7d50\u69cb\u512a\u5316\u7684\u6280\u8853\uff0c\u63ed\u793a\u5176\u904b\u4f5c\u539f\u7406\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\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-95260","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95260","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=95260"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95260\/revisions"}],"predecessor-version":[{"id":95261,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95260\/revisions\/95261"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}