{"id":195851,"date":"2024-11-13T18:26:20","date_gmt":"2024-11-13T10:26:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195851\/"},"modified":"2024-11-13T18:26:22","modified_gmt":"2024-11-13T10:26:22","slug":"%e5%9c%a8%e7%b7%9a%e5%b0%8ddb2%e8%a1%a8%e9%a0%81%e5%a4%a7%e5%b0%8f%e7%9a%84%e8%bd%89%e6%8f%9b%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195851\/","title":{"rendered":"\u5728\u7dda\u5c0dDB2\u8868\u9801\u5927\u5c0f\u7684\u8f49\u63db\u64cd\u4f5c"},"content":{"rendered":"<h1 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id=\"%e5%9c%a8%e7%b7%9a%e8%bd%89%e6%8f%9b%e8%a1%a8%e9%a0%81%e5%a4%a7%e5%b0%8f%e7%9a%84%e6%ad%a5%e9%a9%9f-YkGwnAaxYw\">\u5728\u7dda\u8f49\u63db\u8868\u9801\u5927\u5c0f\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728\u7dda\u8f49\u63dbDB2\u8868\u7684\u9801\u5927\u5c0f\u662f\u4e00\u500b\u76f8\u5c0d\u8907\u96dc\u7684\u904e\u7a0b\uff0c\u901a\u5e38\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-YkGwnAaxYw\">1. \u6e96\u5099\u5de5\u4f5c<\/h3>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u8655\u65bc\u53ef\u7528\u72c0\u614b\uff0c\u4e26\u4e14\u6c92\u6709\u6b63\u5728\u9032\u884c\u7684\u4e8b\u52d9\u3002<\/li>\n<li>\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u51fa\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%96%b0%e8%a1%a8-YkGwnAaxYw\">2. \u5275\u5efa\u65b0\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8868\uff0c\u4e26\u6307\u5b9a\u6240\u9700\u7684\u9801\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0bSQL\u8a9e\u53e5\u5275\u5efa\u4e86\u4e00\u500b\u9801\u5927\u5c0f\u70ba8KB\u7684\u65b0\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE new_table (\n    id INT PRIMARY KEY,\n    name VARCHAR(100)\n) PAGESIZE 8K;<\/code><\/pre>\n<h3 id=\"3-%e5%b0%87%e6%95%b8%e6%93%9a%e5%be%9e%e8%88%8a%e8%a1%a8%e8%bd%89%e7%a7%bb%e5%88%b0%e6%96%b0%e8%a1%a8-YkGwnAaxYw\">3. \u5c07\u6578\u64da\u5f9e\u820a\u8868\u8f49\u79fb\u5230\u65b0\u8868<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528INSERT\u8a9e\u53e5\u5c07\u820a\u8868\u4e2d\u7684\u6578\u64da\u8f49\u79fb\u5230\u65b0\u8868\u4e2d\uff1a<\/p>\n<pre><code>INSERT INTO new_table (id, name)\nSELECT id, name FROM old_table;<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e8%88%8a%e8%a1%a8-YkGwnAaxYw\">4. \u522a\u9664\u820a\u8868<\/h3>\n<p>\u5728\u78ba\u8a8d\u6578\u64da\u5df2\u6210\u529f\u8f49\u79fb\u5f8c\uff0c\u53ef\u4ee5\u522a\u9664\u820a\u8868\uff1a<\/p>\n<pre><code>DROP TABLE old_table;<\/code><\/pre>\n<h3 id=\"5-%e9%87%8d%e5%91%bd%e5%90%8d%e6%96%b0%e8%a1%a8-YkGwnAaxYw\">5. \u91cd\u547d\u540d\u65b0\u8868<\/h3>\n<p>\u6700\u5f8c\uff0c\u5c07\u65b0\u8868\u91cd\u547d\u540d\u70ba\u820a\u8868\u7684\u540d\u7a31\uff0c\u4ee5\u4fdd\u6301\u61c9\u7528\u7a0b\u5e8f\u7684\u517c\u5bb9\u6027\uff1a<\/p>\n<pre><code>ALTER TABLE new_table RENAME TO old_table;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-YkGwnAaxYw\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u5728\u7dda\u8f49\u63db\u64cd\u4f5c\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u4e0d\u6703\u5f71\u97ff\u5230\u6b63\u5728\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>\u5728\u9ad8\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u9078\u64c7\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u8f49\u63db\u3002<\/li>\n<li>\u6e2c\u8a66\u65b0\u8868\u7684\u6027\u80fd\uff0c\u4ee5\u78ba\u4fdd\u5176\u7b26\u5408\u9810\u671f\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YkGwnAaxYw\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u7dda\u5c0dDB2\u8868\u9801\u5927\u5c0f\u7684\u8f49\u63db\u64cd\u4f5c\u662f\u4e00\u500b\u91cd\u8981\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4efb\u52d9\uff0c\u80fd\u5920\u5e6b\u52a9\u512a\u5316\u6027\u80fd\u548c\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u6548\u7387\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u9801\u5927\u5c0f\u7684\u8f49\u63db\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728\u7dda\u8f49\u63dbDB2\u8868\u7684\u9801\u5927\u5c0f\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\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-195851","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195851","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=195851"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195851\/revisions"}],"predecessor-version":[{"id":195852,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195851\/revisions\/195852"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}