{"id":77212,"date":"2024-10-16T10:31:16","date_gmt":"2024-10-16T02:31:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77212\/"},"modified":"2024-10-16T10:31:16","modified_gmt":"2024-10-16T02:31:16","slug":"mysql%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b%e6%99%82%e7%9a%84%e6%8b%b7%e8%b2%9d%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77212\/","title":{"rendered":"MySQL\u4fee\u6539\u8868\u7d50\u69cb\u6642\u7684\u62f7\u8c9d\u554f\u984c"},"content":{"rendered":"<h1 id=\"mysql%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b%e6%99%82%e7%9a%84%e6%8b%b7%e8%b2%9d%e5%95%8f%e9%a1%8c-WZYZtVmRYo\">MySQL\u4fee\u6539\u8868\u7d50\u69cb\u6642\u7684\u62f7\u8c9d\u554f\u984c<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u4fee\u6539\u8868\u7d50\u69cb\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u6dfb\u52a0\u65b0\u5217\u3001\u522a\u9664\u820a\u5217\uff0c\u9084\u662f\u66f4\u6539\u5217\u7684\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u64cd\u4f5c\u90fd\u53ef\u80fd\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5728MySQL\u4e2d\u4fee\u6539\u8868\u7d50\u69cb\u6642\u53ef\u80fd\u9047\u5230\u7684\u62f7\u8c9d\u554f\u984c\uff0c\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<h2 id=\"mysql%e8%a1%a8%e7%b5%90%e6%a7%8b%e4%bf%ae%e6%94%b9%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-WZYZtVmRYo\">MySQL\u8868\u7d50\u69cb\u4fee\u6539\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u4fee\u6539\u8868\u7d50\u69cb\u901a\u5e38\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u3002\u9019\u500b\u8a9e\u53e5\u53ef\u4ee5\u7528\u4f86\u9032\u884c\u591a\u7a2e\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u6dfb\u52a0\u65b0\u5217\uff1a<code>ALTER TABLE table_name ADD column_name column_type;<\/code><\/li>\n<li>\u522a\u9664\u5217\uff1a<code>ALTER TABLE table_name DROP COLUMN column_name;<\/code><\/li>\n<li>\u4fee\u6539\u5217\u985e\u578b\uff1a<code>ALTER TABLE table_name MODIFY column_name 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id=\"%e6%8b%b7%e8%b2%9d%e5%95%8f%e9%a1%8c%e7%9a%84%e6%a0%b9%e6%ba%90-WZYZtVmRYo\">\u62f7\u8c9d\u554f\u984c\u7684\u6839\u6e90<\/h2>\n<p>\u7576\u6211\u5011\u5728MySQL\u4e2d\u4fee\u6539\u8868\u7d50\u69cb\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u5275\u5efa\u4e00\u500b\u81e8\u6642\u8868\u4f86\u9032\u884c\u6578\u64da\u7684\u62f7\u8c9d\u3002\u9019\u500b\u904e\u7a0b\u6d89\u53ca\u5230\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8868\uff0c\u7d50\u69cb\u6839\u64da\u4fee\u6539\u8981\u6c42\u9032\u884c\u8a2d\u7f6e\u3002<\/li>\n<li>\u5c07\u820a\u8868\u4e2d\u7684\u6578\u64da\u62f7\u8c9d\u5230\u65b0\u8868\u4e2d\u3002<\/li>\n<li>\u522a\u9664\u820a\u8868\uff0c\u4e26\u5c07\u65b0\u8868\u91cd\u547d\u540d\u70ba\u820a\u8868\u7684\u540d\u7a31\u3002<\/li>\n<\/ol>\n<p>\u5728\u9019\u500b\u904e\u7a0b\u4e2d\uff0c\u82e5\u6578\u64da\u91cf\u9f90\u5927\uff0c\u62f7\u8c9d\u904e\u7a0b\u53ef\u80fd\u6703\u8017\u8cbb\u5927\u91cf\u6642\u9593\uff0c\u4e26\u4e14\u5728\u6b64\u671f\u9593\uff0c\u4efb\u4f55\u5c0d\u820a\u8868\u7684\u5beb\u5165\u64cd\u4f5c\u90fd\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 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id=\"%e7%b5%90%e8%ab%96-WZYZtVmRYo\">\u7d50\u8ad6<\/h2>\n<p>\u5728MySQL\u4e2d\u4fee\u6539\u8868\u7d50\u69cb\u6642\uff0c\u62f7\u8c9d\u554f\u984c\u662f\u4e00\u500b\u4e0d\u5bb9\u5ffd\u8996\u7684\u6311\u6230\u3002\u901a\u904e\u4e86\u89e3\u62f7\u8c9d\u904e\u7a0b\u7684\u904b\u4f5c\u539f\u7406\uff0c\u4e26\u63a1\u53d6\u9069\u7576\u7684\u63aa\u65bd\u4f86\u6e1b\u5c11\u98a8\u96aa\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK 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