{"id":217768,"date":"2023-12-22T23:56:26","date_gmt":"2023-12-22T15:56:26","guid":{"rendered":"https:\/\/www.idc.net\/help\/217768\/"},"modified":"2023-12-22T23:56:26","modified_gmt":"2023-12-22T15:56:26","slug":"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8update-table-set-column1-value1-where-condition%e6%9b%b4%e6%96%b0%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217768\/","title":{"rendered":"MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528UPDATE [table] SET column1 = value1 WHERE condition\u66f4\u65b0\u8868\u4e2d\u7684\u6570\u636e"},"content":{"rendered":"<p><title id=\"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8update-table-set-column1-value1-where-condition%e6%9b%b4%e6%96%b0%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae-gKcmpqAOzG\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528UPDATE [table] SET column1 = value1 WHERE condition\u66f4\u65b0\u8868\u4e2d\u7684\u6570\u636e<\/title><\/p>\n<h1 id=\"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8update-table-set-column1-value1-where-condition%e6%9b%b4%e6%96%b0%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae-gKcmpqAOzG\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528UPDATE [table] SET column1 = value1 WHERE condition\u66f4\u65b0\u8868\u4e2d\u7684\u6570\u636e<\/h1>\n<p>MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cdWeb\u5e94\u7528\u7a0b\u5e8f\u548c\u7f51\u7ad9\u5f00\u53d1\u4e2d\u3002\u5728MySQL\u4e2d\uff0c\u4f7f\u7528UPDATE\u8bed\u53e5\u53ef\u4ee5\u66f4\u65b0\u8868\u4e2d\u7684\u6570\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528UPDATE\u8bed\u53e5\u6765\u66f4\u65b0MySQL\u8868\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<h2 id=\"update%e8%af%ad%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95-gKcmpqAOzG\">UPDATE\u8bed\u53e5\u7684\u57fa\u672c\u8bed\u6cd5<\/h2>\n<p>UPDATE\u8bed\u53e5\u7528\u4e8e\u66f4\u65b0\u8868\u4e2d\u7684\u6570\u636e\u3002\u5176\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE [table] SET column1 = value1 WHERE condition;<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c[table]\u662f\u8981\u66f4\u65b0\u6570\u636e\u7684\u8868\u540d\uff0ccolumn1\u662f\u8981\u66f4\u65b0\u7684\u5217\u540d\uff0cvalue1\u662f\u8981\u66f4\u65b0\u7684\u503c\uff0ccondition\u662f\u66f4\u65b0\u7684\u6761\u4ef6\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e5%8d%95%e4%b8%aa%e5%88%97%e7%9a%84%e6%95%b0%e6%8d%ae-gKcmpqAOzG\">\u66f4\u65b0\u5355\u4e2a\u5217\u7684\u6570\u636e<\/h2>\n<p>\u8981\u66f4\u65b0\u8868\u4e2d\u7684\u5355\u4e2a\u5217\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre><code>UPDATE [table] SET column1 = value1 WHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a\"users\"\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\"username\"\u548c\"email\"\u4e24\u5217\u3002\u8981\u5c06\"username\"\u4e3a\"John\"\u7684\u884c\u7684\"email\"\u5217\u66f4\u65b0\u4e3a\"john@example.com\"\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'john@example.com' WHERE username = 'John';<\/code><\/pre>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e5%a4%9a%e4%b8%aa%e5%88%97%e7%9a%84%e6%95%b0%e6%8d%ae-gKcmpqAOzG\">\u66f4\u65b0\u591a\u4e2a\u5217\u7684\u6570\u636e<\/h2>\n<p>\u8981\u66f4\u65b0\u8868\u4e2d\u7684\u591a\u4e2a\u5217\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre><code>UPDATE [table] SET column1 = value1, column2 = value2, ... WHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a\"users\"\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\"username\"\u3001\"email\"\u548c\"phone\"\u4e09\u5217\u3002\u8981\u5c06\"username\"\u4e3a\"John\"\u7684\u884c\u7684\"email\"\u5217\u66f4\u65b0\u4e3a\"john@example.com\"\uff0c\"phone\"\u5217\u66f4\u65b0\u4e3a\"1234567890\"\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'john@example.com', phone = '1234567890' WHERE username = 'John';<\/code><\/pre>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%89%80%e6%9c%89%e8%a1%8c%e7%9a%84%e6%95%b0%e6%8d%ae-gKcmpqAOzG\">\u66f4\u65b0\u6240\u6709\u884c\u7684\u6570\u636e<\/h2>\n<p>\u8981\u66f4\u65b0\u8868\u4e2d\u7684\u6240\u6709\u884c\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u7701\u7565WHERE\u5b50\u53e5\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u8bed\u53e5\u5c06\u66f4\u65b0\u8868\u4e2d\u6240\u6709\u884c\u7684\"status\"\u5217\u4e3a\"active\"\uff1a<\/p>\n<pre><code>UPDATE users SET status = 'active';<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-gKcmpqAOzG\">\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528UPDATE\u8bed\u53e5\u6765\u66f4\u65b0MySQL\u8868\u4e2d\u7684\u6570\u636e\u3002\u901a\u8fc7UPDATE\u8bed\u53e5\uff0c\u53ef\u4ee5\u66f4\u65b0\u5355\u4e2a\u5217\u6216\u591a\u4e2a\u5217\u7684\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u66f4\u65b0\u6240\u6709\u884c\u7684\u6570\u636e\u3002MySQL\u7684UPDATE\u8bed\u53e5\u662f\u975e\u5e38\u5f3a\u5927\u548c\u7075\u6d3b\u7684\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u6570\u636e\u66f4\u65b0\u7684\u9700\u6c42\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u670d\u52a1\u3002\u5982\u679c\u60a8\u9700\u8981\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">\u540e\u6d6a\u4e91\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002\u6211\u4eec\u8fd8\u63d0\u4f9b10\u5143\u9999\u6e2f\u670d\u52a1\u5668\u548c\u9999\u6e2f\u670d\u52a1\u5668\u514d\u8d39\u8bd5\u7528\u7684\u4fc3\u9500\u6d3b\u52a8\uff0c\u8be6\u60c5\u8bf7\u8bbf\u95ee\u5b98\u7f51\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528UPDATE [table] SET column1 = value1 WHERE c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197851],"tags":[],"class_list":["post-217768","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=217768"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217768\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}