{"id":163923,"date":"2024-11-05T03:33:27","date_gmt":"2024-11-04T19:33:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163923\/"},"modified":"2024-11-05T03:33:28","modified_gmt":"2024-11-04T19:33:28","slug":"%e8%a7%a3%e5%af%86oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e7%ae%a1%e7%90%86%ef%bc%9a%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e5%92%8c%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd-oracle-%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163923\/","title":{"rendered":"\u89e3\u5bc6Oracle\u6578\u64da\u5eab\u6642\u9593\u7ba1\u7406\uff1a\u512a\u5316\u67e5\u8a62\u548c\u63d0\u9ad8\u6027\u80fd (oracle \u6578\u64da\u5eab \u6642\u9593)"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e5%af%86oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e7%ae%a1%e7%90%86%ef%bc%9a%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e5%92%8c%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd-TfRVzTMOVm\">\u89e3\u5bc6Oracle\u6578\u64da\u5eab\u6642\u9593\u7ba1\u7406\uff1a\u512a\u5316\u67e5\u8a62\u548c\u63d0\u9ad8\u6027\u80fd<\/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\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u529f\u80fd\u4f86\u512a\u5316\u67e5\u8a62\u548c\u63d0\u9ad8\u6027\u80fd\u3002\u5176\u4e2d\uff0c\u6642\u9593\u7ba1\u7406\u662f\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u7684\u4e00\u500b\u91cd\u8981\u56e0\u7d20\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u7ba1\u7406\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5be6\u7528\u5efa\u8b70\u3002<\/p>\n<h2 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%99%82%e9%96%93%e7%ae%a1%e7%90%86%e6%a6%82%e8%bf%b0-TfRVzTMOVm\">Oracle\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u7ba1\u7406\u6982\u8ff0<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u6642\u9593\u7ba1\u7406\u4e3b\u8981\u6d89\u53ca\u5230\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u548c\u5b58\u5132\u6642\u9593\u6233\u3001\u65e5\u671f\u548c\u6642\u9593\u6578\u64da\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\u4f86\u652f\u6301\u6642\u9593\u7ba1\u7406\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>DATE<\/code>\uff1a\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u7cbe\u78ba\u5230\u79d2\u3002<\/li>\n<li><code>TIMESTAMP<\/code>\uff1a\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u7cbe\u78ba\u5230\u5fae\u79d2\u3002<\/li>\n<li><code>INTERVAL<\/code>\uff1a\u8868\u793a\u5169\u500b\u6642\u9593\u9ede\u4e4b\u9593\u7684\u6642\u9593\u9593\u9694\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u6578\u64da\u985e\u578b\u7684\u9078\u64c7\u548c\u4f7f\u7528\u5c0d\u65bc\u67e5\u8a62\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u6b63\u78ba\u7684\u6642\u9593\u6578\u64da\u985e\u578b\u53ef\u4ee5\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\uff0c\u4e26\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e9%9f%bf%e5%9b%a0%e7%b4%a0-TfRVzTMOVm\">\u67e5\u8a62\u6027\u80fd\u7684\u5f71\u97ff\u56e0\u7d20<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u67e5\u8a62\u6027\u80fd\u53d7\u5230\u591a\u7a2e\u56e0\u7d20\u7684\u5f71\u97ff\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528<\/strong>\uff1a\u9069\u7576\u7684\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u5c0d\u65bc\u6d89\u53ca\u6642\u9593\u7bc4\u570d\u7684\u67e5\u8a62\uff0c\u5efa\u8b70\u5728\u6642\u9593\u6233\u6216\u65e5\u671f\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u5340<\/strong>\uff1a\u5c07\u6578\u64da\u6839\u64da\u6642\u9593\u7bc4\u570d\u9032\u884c\u5206\u5340\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316<\/strong>\uff1a\u4f7f\u7528EXPLAIN PLAN\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%af%a6%e7%94%a8%e5%bb%ba%e8%ad%b0-TfRVzTMOVm\">\u512a\u5316\u67e5\u8a62\u7684\u5be6\u7528\u5efa\u8b70<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91dd\u5c0dOracle\u6578\u64da\u5eab\u67e5\u8a62\u6027\u80fd\u512a\u5316\u7684\u5efa\u8b70\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-TfRVzTMOVm\">1. \u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u53ea\u9700\u8981\u5230\u79d2\u7684\u6642\u9593\u6233\uff0c\u4f7f\u7528<code>DATE<\/code>\u985e\u578b\u800c\u4e0d\u662f<code>TIMESTAMP<\/code>\u985e\u578b\uff0c\u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-TfRVzTMOVm\">2. \u5275\u5efa\u7d22\u5f15<\/h3>\n<p>\u5c0d\u65bc\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u6642\u9593\u5b57\u6bb5\uff0c\u5275\u5efa\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX idx_order_date ON orders(order_date);<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e8%a1%a8-TfRVzTMOVm\">3. \u4f7f\u7528\u5206\u5340\u8868<\/h3>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u8003\u616e\u4f7f\u7528\u5206\u5340\u8868\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5206\u5340\u53ef\u4ee5\u6839\u64da\u6642\u9593\u7bc4\u570d\u9032\u884c\uff0c\u9019\u6a23\u67e5\u8a62\u6642\u53ea\u9700\u6383\u63cf\u76f8\u95dc\u7684\u5206\u5340\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE orders (\n    order_id NUMBER,\n    order_date DATE\n) PARTITION BY RANGE (order_date) (\n    PARTITION p1 VALUES LESS THAN (TO_DATE('2023-01-01', 'YYYY-MM-DD')),\n    PARTITION p2 VALUES LESS THAN (TO_DATE('2024-01-01', 'YYYY-MM-DD'))\n);<\/code><\/pre>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-TfRVzTMOVm\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h3>\n<p>\u5b9a\u671f\u57f7\u884c\u6578\u64da\u5eab\u7dad\u8b77\u4efb\u52d9\uff0c\u5982\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff0c\u53ef\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u6027\u80fd\u7684\u6700\u4f73\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-TfRVzTMOVm\">\u7d50\u8ad6<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u6642\u9593\u7ba1\u7406\u662f\u512a\u5316\u67e5\u8a62\u548c\u63d0\u9ad8\u6027\u80fd\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3001\u5275\u5efa\u7d22\u5f15\u3001\u4f7f\u7528\u5206\u5340\u8868\u4ee5\u53ca\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u5176\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6027\u80fd\u3002\u9019\u4e9b\u6700\u4f73\u5be6\u8e10\u4e0d\u50c5\u80fd\u5920\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u9084\u80fd\u70ba\u4f01\u696d\u5e36\u4f86\u66f4\u597d\u7684\u696d\u52d9\u6c7a\u7b56\u652f\u6301\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u3001<code>\u670d\u52a1\u5668<\/code>\u3001<code>\u4e91\u670d\u52a1\u5668<\/code>\u548c<code>\u9999\u6e2f\u670d\u52a1\u5668<\/code>\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u5bc6Oracle\u6578\u64da\u5eab\u6642\u9593\u7ba1\u7406\uff0c\u63a2\u7d22\u512a\u5316\u67e5\u8a62\u6280\u5de7\u8207\u63d0\u9ad8\u6027\u80fd\u7684\u65b9\u6cd5\uff0c\u52a9\u60a8\u63d0\u5347\u6578\u64da\u8655\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-163923","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163923","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=163923"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163923\/revisions"}],"predecessor-version":[{"id":163924,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163923\/revisions\/163924"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}