{"id":187892,"date":"2024-11-11T18:03:18","date_gmt":"2024-11-11T10:03:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187892\/"},"modified":"2024-11-11T18:03:19","modified_gmt":"2024-11-11T10:03:19","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e5%ad%98%e5%84%b2%e6%8a%80%e8%a1%93%e7%b0%a1%e6%9e%90-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e5%ad%98%e5%84%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187892\/","title":{"rendered":"\u6578\u64da\u5eab\u5b57\u5178\u5b58\u5132\u6280\u8853\u7c21\u6790 (\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e5%ad%98%e5%84%b2%e6%8a%80%e8%a1%93%e7%b0%a1%e6%9e%90-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e5%ad%98%e5%84%b2-EeslIYjktX\">\u6578\u64da\u5eab\u5b57\u5178\u5b58\u5132\u6280\u8853\u7c21\u6790 (\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u5eab\u5b57\u5178\uff08Database Dictionary\uff09\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u7d44\u4ef6\u3002\u5b83\u8ca0\u8cac\u5b58\u5132\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u3001\u6578\u64da\u985e\u578b\u3001\u7d04\u675f\u689d\u4ef6\u3001\u7d22\u5f15\u3001\u8996\u5716\u7b49\u5143\u6578\u64da\u7684\u4fe1\u606f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132\u6280\u8853\uff0c\u4e26\u5206\u6790\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e6%a6%82%e5%bf%b5-EeslIYjktX\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u662f\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u4e00\u90e8\u5206\uff0c\u901a\u5e38\u88ab\u7a31\u70ba\u7cfb\u7d71\u76ee\u9304\u6216\u5143\u6578\u64da\u5eab\u3002\u5b83\u5305\u542b\u4e86\u6578\u64da\u5eab\u4e2d\u6240\u6709\u5c0d\u8c61\u7684\u5b9a\u7fa9\u548c\u63cf\u8ff0\uff0c\u9019\u4e9b\u5c0d\u8c61\u5305\u62ec\u8868\u3001\u5217\u3001\u7d22\u5f15\u3001\u7528\u6236\u3001\u6b0a\u9650\u7b49\u3002\u6578\u64da\u5eab\u5b57\u5178\u7684\u4e3b\u8981\u529f\u80fd\u662f\u63d0\u4f9b\u6578\u64da\u5eab\u7684\u7d50\u69cb\u4fe1\u606f\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u9032\u884c\u6578\u64da\u7684\u5b58\u53d6\u548c\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e5%ad%98%e5%84%b2%e6%8a%80%e8%a1%93-EeslIYjktX\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132\u6280\u8853<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132\u6280\u8853\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u95dc\u4fc2\u578b\u5b58\u5132<\/strong>: \u5728\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u6578\u64da\u5eab\u5b57\u5178\u901a\u5e38\u4ee5\u8868\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u6bcf\u500b\u8868\u7684\u7d50\u69cb\u3001\u7d04\u675f\u548c\u7d22\u5f15\u4fe1\u606f\u90fd\u6703\u88ab\u8a18\u9304\u5728\u7cfb\u7d71\u8868\u4e2d\u3002\u4f8b\u5982\uff0c\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u6240\u6709\u7684\u5143\u6578\u64da\u90fd\u5b58\u5132\u5728\u4ee5\u201cUSER_\u201d\u3001\u201cALL_\u201d\u548c\u201cDBA_\u201d\u958b\u982d\u7684\u7cfb\u7d71\u8996\u5716\u4e2d\u3002<\/li>\n<li><strong>\u6587\u4ef6\u7cfb\u7d71\u5b58\u5132<\/strong>: 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id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e7%b5%90%e6%a7%8b-EeslIYjktX\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u7d50\u69cb<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u7684\u7d50\u69cb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>\u8868\u4fe1\u606f<\/strong>: \u5305\u542b\u8868\u7684\u540d\u7a31\u3001\u5217\u7684\u540d\u7a31\u3001\u6578\u64da\u985e\u578b\u3001\u7d04\u675f\u689d\u4ef6\u7b49\u3002<\/li>\n<li><strong>\u7d22\u5f15\u4fe1\u606f<\/strong>: \u5305\u542b\u7d22\u5f15\u7684\u540d\u7a31\u3001\u6240\u5c6c\u8868\u3001\u7d22\u5f15\u985e\u578b\u7b49\u3002<\/li>\n<li><strong>\u7528\u6236\u548c\u6b0a\u9650\u4fe1\u606f<\/strong>: \u5305\u542b\u7528\u6236\u7684\u540d\u7a31\u3001\u89d2\u8272\u3001\u6b0a\u9650\u7b49\u3002<\/li>\n<li><strong>\u8996\u5716\u4fe1\u606f<\/strong>: \u5305\u542b\u8996\u5716\u7684\u540d\u7a31\u3001\u5b9a\u7fa9\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e6%9f%a5%e8%a9%a2-EeslIYjktX\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u67e5\u8a62<\/h2>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u5b57\u5178\u4f86\u7372\u53d6\u5143\u6578\u64da\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u67e5\u8a62\u6240\u6709\u8868\u7684\u4fe1\u606f\nSELECT * FROM USER_TABLES;\n\n-- \u67e5\u8a62\u67d0\u500b\u8868\u7684\u5217\u4fe1\u606f\nSELECT * FROM USER_TAB_COLUMNS WHERE TABLE_NAME = 'YOUR_TABLE_NAME';\n\n-- \u67e5\u8a62\u6240\u6709\u7d22\u5f15\u7684\u4fe1\u606f\nSELECT * FROM USER_INDEXES;<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-EeslIYjktX\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027<\/strong>: \u6578\u64da\u5eab\u5b57\u5178\u80fd\u5920\u5e6b\u52a9\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u901a\u904e\u7d04\u675f\u689d\u4ef6\u4f86\u9650\u5236\u6578\u64da\u7684\u8f38\u5165\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316<\/strong>: \u901a\u904e\u7d22\u5f15\u548c\u8996\u5716\u7684\u7ba1\u7406\uff0c\u6578\u64da\u5eab\u5b57\u5178\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u6578\u64da\u6aa2\u7d22\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\u7ba1\u7406<\/strong>: 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id=\"%e7%b8%bd%e7%b5%90-EeslIYjktX\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132\u6280\u8853\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5b83\u4e0d\u50c5\u63d0\u4f9b\u4e86\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u9084\u5728\u6578\u64da\u5b8c\u6574\u6027\u3001\u6027\u80fd\u512a\u5316\u548c\u5b89\u5168\u6027\u7ba1\u7406\u7b49\u65b9\u9762\u767c\u63ee\u8457\u91cd\u8981\u4f5c\u7528\u3002\u4e86\u89e3\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132\u6280\u8853\uff0c\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u4eba\u54e1\u548c\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u90fd\u662f\u4e00\u9805\u57fa\u672c\u800c\u91cd\u8981\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u7279\u5225\u662f\u6211\u5011\u63d0\u4f9b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u80fd\u5920\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e\u6578\u64da\u5eab\u5b57\u5178\u7684\u5b58\u5132\u6280\u8853\uff0c\u5206\u6790\u5176\u7d50\u69cb\u3001\u529f\u80fd\u53ca\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\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-187892","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187892","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=187892"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187892\/revisions"}],"predecessor-version":[{"id":187893,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187892\/revisions\/187893"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}