{"id":173403,"date":"2024-11-07T17:44:17","date_gmt":"2024-11-07T09:44:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173403\/"},"modified":"2024-11-07T17:44:18","modified_gmt":"2024-11-07T09:44:18","slug":"%e5%a6%82%e4%bd%95%e7%b5%a6%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%88%97%e6%95%b8%e6%93%9a-%e7%b5%a6%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%88%97%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173403\/","title":{"rendered":"\u5982\u4f55\u7d66\u6578\u64da\u5eab\u589e\u52a0\u4e00\u5217\u6578\u64da (\u7d66\u6578\u64da\u5eab\u589e\u52a0\u4e00\u5217\u6578\u64da)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e7%b5%a6%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%88%97%e6%95%b8%e6%93%9a-AbklgnenFc\">\u5982\u4f55\u7d66\u6578\u64da\u5eab\u589e\u52a0\u4e00\u5217\u6578\u64da<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u589e\u52a0\u4e00\u5217\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u64f4\u5c55\u6578\u64da\u6a21\u578b\u9084\u662f\u70ba\u4e86\u6eff\u8db3\u65b0\u7684\u696d\u52d9\u9700\u6c42\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u5730\u5728\u6578\u64da\u5eab\u4e2d\u6dfb\u52a0\u5217\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u5eab\u4e2d\u589e\u52a0\u4e00\u5217\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-AbklgnenFc\">1. \u7406\u89e3\u6578\u64da\u5eab\u7d50\u69cb<\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u66f4\u6539\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3002\u6578\u64da\u5eab\u7531\u8868\u7d44\u6210\uff0c\u6bcf\u500b\u8868\u5305\u542b\u591a\u500b\u5217\u548c\u884c\u3002\u5217\u5b9a\u7fa9\u4e86\u6578\u64da\u7684\u985e\u578b\u548c\u5c6c\u6027\uff0c\u800c\u884c\u5247\u5305\u542b\u5177\u9ad4\u7684\u6578\u64da\u5be6\u4f8b\u3002\u5728\u6dfb\u52a0\u65b0\u5217\u4e4b\u524d\uff0c\u61c9\u8a72\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u65b0\u5217\u7684\u6578\u64da\u985e\u578b\uff08\u5982\u6574\u6578\u3001\u5b57\u7b26\u4e32\u3001\u65e5\u671f\u7b49\uff09<\/li>\n<li>\u65b0\u5217\u662f\u5426\u5141\u8a31\u7a7a\u503c<\/li>\n<li>\u65b0\u5217\u7684\u9ed8\u8a8d\u503c\uff08\u5982\u679c\u6709\u7684\u8a71\uff09<\/li>\n<\/ul>\n<h2 id=\"2-%e5%9c%a8mysql%e4%b8%ad%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%88%97-AbklgnenFc\">2. \u5728MySQL\u4e2d\u589e\u52a0\u4e00\u5217<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u4f86\u6dfb\u52a0\u65b0\u5217\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>ALTER TABLE \u8868\u540d ADD \u5217\u540d \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6];<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201c\u7528\u6236\u201d\u7684\u8868\uff0c\u4e26\u5e0c\u671b\u6dfb\u52a0\u4e00\u500b\u540d\u70ba\u201c\u51fa\u751f\u65e5\u671f\u201d\u7684\u5217\uff0c\u6578\u64da\u985e\u578b\u70baDATE\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ALTER TABLE \u7528\u6236 ADD \u51fa\u751f\u65e5\u671f DATE;<\/code><\/pre>\n<p>\u5982\u679c\u5e0c\u671b\u8a72\u5217\u4e0d\u5141\u8a31\u7a7a\u503c\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>ALTER TABLE \u7528\u6236 ADD \u51fa\u751f\u65e5\u671f DATE NOT NULL;<\/code><\/pre>\n<h2 id=\"3-%e5%9c%a8postgresql%e4%b8%ad%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%88%97-AbklgnenFc\">3. \u5728PostgreSQL\u4e2d\u589e\u52a0\u4e00\u5217<\/h2>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u6dfb\u52a0\u5217\u7684\u8a9e\u6cd5\u8207MySQL\u985e\u4f3c\u3002\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code>ALTER TABLE \u8868\u540d ADD COLUMN \u5217\u540d \u6578\u64da\u985e\u578b;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u500b\u540d\u70ba\u201c\u96fb\u5b50\u90f5\u4ef6\u201d\u7684\u5217\uff0c\u6578\u64da\u985e\u578b\u70baVARCHAR\uff1a<\/p>\n<pre><code>ALTER TABLE \u7528\u6236 ADD COLUMN \u96fb\u5b50\u90f5\u4ef6 VARCHAR(255);<\/code><\/pre>\n<h2 id=\"4-%e5%9c%a8sql-server%e4%b8%ad%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%88%97-AbklgnenFc\">4. \u5728SQL Server\u4e2d\u589e\u52a0\u4e00\u5217<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u6dfb\u52a0\u5217\u7684\u8a9e\u6cd5\u4e5f\u76f8\u4f3c\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>ALTER TABLE \u8868\u540d ADD \u5217\u540d \u6578\u64da\u985e\u578b;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u500b\u540d\u70ba\u201c\u96fb\u8a71\u865f\u78bc\u201d\u7684\u5217\uff0c\u6578\u64da\u985e\u578b\u70baVARCHAR\uff1a<\/p>\n<pre><code>ALTER TABLE \u7528\u6236 ADD \u96fb\u8a71\u865f\u78bc VARCHAR(15);<\/code><\/pre>\n<h2 id=\"5-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-AbklgnenFc\">5. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6dfb\u52a0\u65b0\u5217\u6642\uff0c\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u66f4\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u6e2c\u8a66\u3002<\/li>\n<li>\u78ba\u4fdd\u5728\u6dfb\u52a0\u65b0\u5217\u5f8c\uff0c\u5c0d\u61c9\u7684\u61c9\u7528\u7a0b\u5e8f\u4ee3\u78bc\u4e5f\u9032\u884c\u76f8\u61c9\u7684\u66f4\u65b0\u3002<\/li>\n<li>\u8003\u616e\u6578\u64da\u5eab\u7684\u6027\u80fd\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AbklgnenFc\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u589e\u52a0\u4e00\u5217\u6578\u64da\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u4ee5\u907f\u514d\u5c0d\u73fe\u6709\u6578\u64da\u9020\u6210\u5f71\u97ff\u3002\u7121\u8ad6\u60a8\u4f7f\u7528\u7684\u662fMySQL\u3001PostgreSQL\u9084\u662fSQL Server\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u5730\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u548c\u7a69\u5b9a\u7684\u6027\u80fd\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u589e\u52a0\u4e00\u5217\u6578\u64da\uff0c\u638c\u63e1SQL\u8a9e\u53e5\u548c\u64cd\u4f5c\u6b65\u9a5f\uff0c\u8f15\u9b06\u64f4\u5c55\u6578\u64da\u7d50\u69cb\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-173403","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173403","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=173403"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173403\/revisions"}],"predecessor-version":[{"id":173404,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173403\/revisions\/173404"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}