{"id":94992,"date":"2024-10-19T21:20:22","date_gmt":"2024-10-19T13:20:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94992\/"},"modified":"2024-10-19T21:20:22","modified_gmt":"2024-10-19T13:20:22","slug":"oracle%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%8f%af%e9%81%b8%e9%a0%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94992\/","title":{"rendered":"Oracle\u5275\u5efa\u7d22\u5f15\u9078\u64c7\u5408\u9069\u7684\u53ef\u9078\u9805"},"content":{"rendered":"<h1 id=\"oracle%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%8f%af%e9%81%b8%e9%a0%85-XeLRqEbvML\">Oracle\u5275\u5efa\u7d22\u5f15\u9078\u64c7\u5408\u9069\u7684\u53ef\u9078\u9805<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u7d22\u5f15\u985e\u578b\u548c\u9078\u9805\uff0c\u8b93\u7528\u6236\u80fd\u5920\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u7d22\u5f15\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728Oracle\u4e2d\u5275\u5efa\u7d22\u5f15\u6642\u53ef\u9078\u7684\u5404\u7a2e\u9078\u9805\uff0c\u5e6b\u52a9\u7528\u6236\u505a\u51fa\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-XeLRqEbvML\">\u7d22\u5f15\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u6578\u64da\u5eab\u5feb\u901f\u5b9a\u4f4d\u6240\u9700\u7684\u6578\u64da\u3002Oracle\u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ecB\u6a39\u7d22\u5f15\u3001\u4f4d\u5716\u7d22\u5f15\u3001\u53cd\u5411\u9375\u7d22\u5f15\u7b49\uff0c\u6bcf\u7a2e\u7d22\u5f15\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\u548c\u512a\u7f3a\u9ede\u3002<\/p>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-XeLRqEbvML\">\u5275\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE INDEX index_name\nON table_name (column1, column2, ...);\n<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>index_name<\/code>\u662f\u7d22\u5f15\u7684\u540d\u7a31\uff0c<code>table_name<\/code>\u662f\u8981\u7d22\u5f15\u7684\u8868\u540d\uff0c\u800c<code>column1, column2, ...<\/code>\u5247\u662f\u8981\u7d22\u5f15\u7684\u5217\u3002<\/p>\n<h2 id=\"%e5%8f%af%e9%81%b8%e7%9a%84%e7%b4%a2%e5%bc%95%e9%81%b8%e9%a0%85-XeLRqEbvML\">\u53ef\u9078\u7684\u7d22\u5f15\u9078\u9805<\/h2>\n<p>\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0cOracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u53ef\u9078\u9805\uff0c\u9019\u4e9b\u9078\u9805\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"1-%e5%94%af%e4%b8%80%e7%b4%a2%e5%bc%95-XeLRqEbvML\">1. \u552f\u4e00\u7d22\u5f15<\/h3>\n<p>\u5982\u679c\u5e0c\u671b\u78ba\u4fdd\u7d22\u5f15\u5217\u7684\u503c\u662f\u552f\u4e00\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528\u552f\u4e00\u7d22\u5f15\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5728\u7d22\u5f15\u5217\u4e2d\u63d2\u5165\u91cd\u8907\u7684\u503c\u3002<\/p>\n<pre><code>CREATE UNIQUE INDEX index_name\nON table_name (column_name);\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%8d%e5%9c%96%e7%b4%a2%e5%bc%95-XeLRqEbvML\">2. \u4f4d\u5716\u7d22\u5f15<\/h3>\n<p>\u4f4d\u5716\u7d22\u5f15\u9069\u5408\u65bc\u4f4e\u57fa\u6578\u7684\u5217\uff08\u5373\u5217\u4e2d\u4e0d\u540c\u503c\u7684\u6578\u91cf\u76f8\u5c0d\u8f03\u5c11\uff09\u3002\u5b83\u4f7f\u7528\u4f4d\u5716\u4f86\u8868\u793a\u6bcf\u500b\u503c\u7684\u5b58\u5728\u8207\u5426\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<pre><code>CREATE BITMAP INDEX index_name\nON table_name (column_name);\n<\/code><\/pre>\n<h3 id=\"3-%e5%8f%8d%e5%90%91%e9%8d%b5%e7%b4%a2%e5%bc%95-XeLRqEbvML\">3. \u53cd\u5411\u9375\u7d22\u5f15<\/h3>\n<p>\u53cd\u5411\u9375\u7d22\u5f15\u53ef\u4ee5\u9632\u6b62\u7d22\u5f15\u7684\u9375\u503c\u51fa\u73fe\u9806\u5e8f\u6027\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u63d2\u5165\u64cd\u4f5c\u983b\u7e41\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<pre><code>CREATE INDEX index_name\nON table_name (column_name) REVERSE;\n<\/code><\/pre>\n<h3 id=\"4-%e5%88%86%e5%8d%80%e7%b4%a2%e5%bc%95-XeLRqEbvML\">4. \u5206\u5340\u7d22\u5f15<\/h3>\n<p>\u5c0d\u65bc\u5927\u578b\u8868\uff0c\u5206\u5340\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5b83\u5c07\u7d22\u5f15\u5206\u6210\u591a\u500b\u90e8\u5206\uff0c\u6839\u64da\u7279\u5b9a\u7684\u5206\u5340\u9375\u9032\u884c\u7ba1\u7406\u3002<\/p>\n<pre><code>CREATE INDEX index_name\nON table_name (column_name)\nPARTITION BY RANGE (partition_column) (\n    PARTITION partition_name VALUES LESS THAN (value)\n);\n<\/code><\/pre>\n<h2 id=\"%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e7%b4%a2%e5%bc%95-XeLRqEbvML\">\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u548c\u9078\u9805\u53d6\u6c7a\u65bc\u591a\u500b\u56e0\u7d20\uff0c\u5305\u62ec\u6578\u64da\u7684\u7279\u6027\u3001\u67e5\u8a62\u7684\u985e\u578b\u4ee5\u53ca\u6027\u80fd\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u983b\u7387\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u67e5\u8a62\u7d93\u5e38\u57f7\u884c\uff0c\u5247\u61c9\u8003\u616e\u70ba\u5176\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li><strong>\u6578\u64da\u66f4\u65b0\u983b\u7387\uff1a<\/strong>\u5982\u679c\u8868\u4e2d\u7684\u6578\u64da\u7d93\u5e38\u66f4\u65b0\uff0c\u5247\u61c9\u8b39\u614e\u9078\u64c7\u7d22\u5f15\u985e\u578b\uff0c\u56e0\u70ba\u67d0\u4e9b\u7d22\u5f15\u53ef\u80fd\u6703\u5f71\u97ff\u63d2\u5165\u548c\u66f4\u65b0\u6027\u80fd\u3002<\/li>\n<li><strong>\u57fa\u6578\uff1a<\/strong>\u5c0d\u65bc\u4f4e\u57fa\u6578\u7684\u5217\uff0c\u4f4d\u5716\u7d22\u5f15\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9078\u64c7\uff0c\u800c\u5c0d\u65bc\u9ad8\u57fa\u6578\u7684\u5217\uff0cB\u6a39\u7d22\u5f15\u5247\u66f4\u70ba\u5408\u9069\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XeLRqEbvML\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u4e2d\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u53ef\u9078\u9805\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4e86\u89e3\u4e0d\u540c\u7d22\u5f15\u985e\u578b\u53ca\u5176\u7279\u6027\uff0c\u7528\u6236\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u7d22\u5f15\u65b9\u6848\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u80fd\u512a\u5316\u6578\u64da\u5eab\u7684\u6574\u9ad4\u904b\u884c\u6548\u7387\u3002\u82e5\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u5275\u5efa\u7d22\u5f15\u7684\u6700\u4f73\u53ef\u9078\u9805\uff0c\u63d0\u5347\u67e5\u8a62\u6027\u80fd\uff0c\u512a\u5316\u6578\u64da\u5eab\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b58\u53d6\u5feb\u901f\u53ef\u9760\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-94992","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94992","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=94992"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94992\/revisions"}],"predecessor-version":[{"id":94993,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94992\/revisions\/94993"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}