{"id":5534,"date":"2024-11-14T11:29:33","date_gmt":"2024-11-14T03:29:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5534\/"},"modified":"2024-11-14T11:29:33","modified_gmt":"2024-11-14T03:29:33","slug":"mysql%e6%80%8e%e4%b9%88%e4%bf%ae%e6%94%b9%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5534\/","title":{"rendered":"mysql\u600e\u4e48\u4fee\u6539\u8868\u4e2d\u7684\u6570\u636e"},"content":{"rendered":"<blockquote><p>\n  \u4fee\u6539 mysql \u8868\u4e2d\u7684\u6570\u636e\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528 update \u8bed\u53e5\u4fee\u6539\u73b0\u6709\u503c\uff0c\u8bed\u6cd5\uff1aupdate table_name set column_name = new_value where condition;\u4f7f\u7528 insert \u8bed\u53e5\u63d2\u5165\u65b0\u884c\uff0c\u8bed\u6cd5\uff1ainsert into table_name (column1, column2, &#8230;) values (value1, value2, &#8230;);\u4f7f\u7528 delete \u8bed\u53e5\u5220\u9664\u884c\uff0c\u8bed\u6cd5\uff1adelete from table_name where con\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/29\/2024052908272583114.jpg\" class=\"aligncenter\" title=\"mysql\u600e\u4e48\u4fee\u6539\u8868\u4e2d\u7684\u6570\u636e\u63d2\u56fe\" alt=\"mysql\u600e\u4e48\u4fee\u6539\u8868\u4e2d\u7684\u6570\u636e\u63d2\u56fe\" \/><\/p>\n<h2>\u5982\u4f55\u4fee\u6539 MySQL \u8868\u4e2d\u7684\u6570\u636e<\/h2>\n<p>MySQL \u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u4fee\u6539\u8868\u4e2d\u7684\u6570\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002<\/p>\n<h3>\u4f7f\u7528 UPDATE \u8bed\u53e5<\/h3>\n<p>UPDATE \u8bed\u53e5\u7528\u4e8e\u4fee\u6539\u8868\u4e2d\u73b0\u6709\u7684\u503c\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>UPDATE table_name SET column_name = new_value\nWHERE condition;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>table_name \u662f\u8981\u66f4\u65b0\u7684\u8868\u540d\u3002<\/li>\n<li>column_name \u662f\u8981\u66f4\u65b0\u7684\u5217\u540d\u3002<\/li>\n<li>new_value \u662f\u8981\u8bbe\u7f6e\u7684\u65b0\u503c\u3002<\/li>\n<li>condition \u662f\u53ef\u9009\u7684\uff0c\u5b83\u6307\u5b9a\u8981\u66f4\u65b0\u884c\u7684\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong>\u5c06 customers \u8868\u4e2d name \u5217\u503c\u4e3a &#8220;John Doe&#8221; \u7684\u6240\u6709\u884c\u7684 age \u5217\u66f4\u65b0\u4e3a 30\u3002<\/p>\n<pre>UPDATE customers SET age = 30 WHERE name = \"John Doe\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u4f7f\u7528 INSERT \u8bed\u53e5<\/h3>\n<p>INSERT \u8bed\u53e5\u7528\u4e8e\u5411\u8868\u4e2d\u63d2\u5165\u65b0\u884c\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>INSERT INTO table_name (column1, column2, ...)\nVALUES (value1, value2, ...);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>table_name \u662f\u8981\u63d2\u5165\u884c\u7684\u8868\u540d\u3002<\/li>\n<li>column1, column2, &#8230; \u662f\u8981\u63d2\u5165\u503c\u7684\u5217\u540d\u3002<\/li>\n<li>value1, value2, &#8230; \u662f\u8981\u63d2\u5165\u7684\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong>\u5411 customers \u8868\u4e2d\u63d2\u5165\u4e00\u884c\u65b0\u6570\u636e\u3002<\/p>\n<pre>INSERT INTO customers (name, age) VALUES (\"Jane Doe\", 25);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u4f7f\u7528 DELETE \u8bed\u53e5<\/h3>\n<p>DELETE \u8bed\u53e5\u7528\u4e8e\u4ece\u8868\u4e2d\u5220\u9664\u884c\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>DELETE FROM table_name\nWHERE condition;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>table_name \u662f\u8981\u4ece\u4e2d\u5220\u9664\u884c\u7684\u8868\u540d\u3002<\/li>\n<li>condition \u6307\u5b9a\u8981\u5220\u9664\u884c\u7684\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong>\u4ece customers \u8868\u4e2d\u5220\u9664\u6240\u6709 age \u5217\u5927\u4e8e 50 \u7684\u884c\u3002<\/p>\n<pre>DELETE FROM customers WHERE age &gt; 50;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u4fee\u6539\u8868\u4e2d\u7684\u6570\u636e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u6539 mysql \u8868\u4e2d\u7684\u6570\u636e\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528 update \u8bed\u53e5\u4fee\u6539\u73b0\u6709\u503c\uff0c\u8bed\u6cd5\uff1aupdate table_name set column_name = new_value where condition;\u4f7f\u7528 insert \u8bed\u53e5\u63d2\u5165\u65b0\u884c\uff0c\u8bed\u6cd5\uff1ainsert into table_name (column1, column2, &#8230;) values (value1, value2, &#8230;);\u4f7f\u7528 delete \u8bed\u53e5\u5220\u9664\u884c\uff0c\u8bed\u6cd5\uff1adelete from table_name where con \u5982\u4f55\u4fee\u6539 MySQL \u8868\u4e2d\u7684\u6570\u636e MySQL \u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u4fee\u6539\u8868\u4e2d\u7684\u6570\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002 \u4f7f\u7528 UPDATE \u8bed\u53e5 UPDATE \u8bed\u53e5\u7528\u4e8e\u4fee\u6539\u8868\u4e2d\u73b0\u6709\u7684\u503c\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a UPDATE table_name SET column_name = new_value WHERE condition; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a table_name \u662f\u8981\u66f4\u65b0\u7684\u8868\u540d\u3002 column_name \u662f\u8981\u66f4\u65b0\u7684\u5217\u540d\u3002 new_value \u662f\u8981\u8bbe\u7f6e\u7684\u65b0\u503c\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5534","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5534"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5534\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}