{"id":5612,"date":"2024-11-14T09:13:43","date_gmt":"2024-11-14T01:13:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5612\/"},"modified":"2024-11-14T09:13:43","modified_gmt":"2024-11-14T01:13:43","slug":"sql%e6%9b%b4%e6%96%b0%e9%94%99%e4%ba%86%e6%80%8e%e4%b9%88%e5%9b%9e%e6%bb%9a","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5612\/","title":{"rendered":"sql\u66f4\u65b0\u9519\u4e86\u600e\u4e48\u56de\u6eda"},"content":{"rendered":"<blockquote><p>\n  sql \u66f4\u65b0\u9519\u8bef\u56de\u6eda\u6307\u5357\uff1a\u786e\u5b9a\u53d7\u5f71\u54cd\u6570\u636e\u3002\u5220\u9664\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff08\u53ef\u9009\uff09\u3002\u91cd\u65b0\u63d2\u5165\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\u3002\u66f4\u65b0\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff08\u53ef\u9009\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053018571892054.jpg\" class=\"aligncenter\" title=\"sql\u66f4\u65b0\u9519\u4e86\u600e\u4e48\u56de\u6eda\u63d2\u56fe\" alt=\"sql\u66f4\u65b0\u9519\u4e86\u600e\u4e48\u56de\u6eda\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u66f4\u65b0\u56de\u6eda\u6307\u5357<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong>SQL \u66f4\u65b0\u9519\u8bef\u540e\u5982\u4f55\u56de\u6eda\uff1f<\/p>\n<p><strong>\u56de\u7b54\uff1a<\/strong><\/p>\n<p><strong>\u6b65\u9aa4\u4e00\uff1a\u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u6570\u636e<\/strong><\/p>\n<ul>\n<li>\u6267\u884c SELECT * FROM [table_name] WHERE [condition] \u8bed\u53e5\uff0c\u786e\u5b9a\u54ea\u4e9b\u8bb0\u5f55\u53d7\u5230\u66f4\u65b0\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4\u4e8c\uff1a\u6267\u884c DELETE \u8bed\u53e5\uff08\u53ef\u9009\uff09<\/strong><\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u5220\u9664\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre>DELETE FROM [table_name] WHERE [condition]<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4\u4e09\uff1a\u6267\u884c INSERT \u8bed\u53e5<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 INSERT \u8bed\u53e5\u5c06\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\u91cd\u65b0\u63d2\u5165\u5230\u8868\u4e2d\u3002\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u5217\u503c\u3002<\/p>\n<pre>INSERT INTO [table_name] ([column_1], [column_2], ...) VALUES (value1, value2, ...)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4\u56db\uff1a\u6267\u884c UPDATE \u8bed\u53e5<\/strong><\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u66f4\u65b0\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre>UPDATE [table_name] SET [column_1] = value1, [column_2] = value2 WHERE [condition]<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u60a8\u9519\u8bef\u5730\u5c06 customers \u8868\u4e2d\u7279\u5b9a\u5ba2\u6237\u7684 balance \u66f4\u65b0\u4e3a 0\u3002\u8981\u56de\u6eda\u6b64\u66f4\u65b0\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\n<p>\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u67e5\u627e\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\uff1a<\/p>\n<pre>SELECT * FROM customers WHERE [customer_id] = 1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<li>\n<p>\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u5c06\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\u5220\u9664\uff08\u53ef\u9009\uff09\uff1a<\/p>\n<pre>DELETE FROM customers WHERE [customer_id] = 1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<li>\n<p>\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u91cd\u65b0\u63d2\u5165\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\uff1a<\/p>\n<pre>INSERT INTO customers ([customer_id], [balance]) VALUES (1, 500)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/p>\n<p>\u6216\u8005\uff0c\u60a8\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u66f4\u65b0\u8bed\u53e5\uff1a<\/p>\n<pre>UPDATE customers SET [balance] = 500 WHERE [customer_id] = 1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u66f4\u65b0\u9519\u4e86\u600e\u4e48\u56de\u6eda\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>sql \u66f4\u65b0\u9519\u8bef\u56de\u6eda\u6307\u5357\uff1a\u786e\u5b9a\u53d7\u5f71\u54cd\u6570\u636e\u3002\u5220\u9664\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff08\u53ef\u9009\uff09\u3002\u91cd\u65b0\u63d2\u5165\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\u3002\u66f4\u65b0\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff08\u53ef\u9009\uff09\u3002 SQL \u66f4\u65b0\u56de\u6eda\u6307\u5357 \u95ee\u9898\uff1aSQL \u66f4\u65b0\u9519\u8bef\u540e\u5982\u4f55\u56de\u6eda\uff1f \u56de\u7b54\uff1a \u6b65\u9aa4\u4e00\uff1a\u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u6570\u636e \u6267\u884c SELECT * FROM [table_name] WHERE [condition] \u8bed\u53e5\uff0c\u786e\u5b9a\u54ea\u4e9b\u8bb0\u5f55\u53d7\u5230\u66f4\u65b0\u5f71\u54cd\u3002 \u6b65\u9aa4\u4e8c\uff1a\u6267\u884c DELETE \u8bed\u53e5\uff08\u53ef\u9009\uff09 \u5982\u679c\u60a8\u5e0c\u671b\u5220\u9664\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\uff1a DELETE FROM [table_name] WHERE [condition] \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4\u4e09\uff1a\u6267\u884c INSERT \u8bed\u53e5 \u4f7f\u7528 INSERT \u8bed\u53e5\u5c06\u53d7\u5f71\u54cd\u7684\u8bb0\u5f55\u91cd\u65b0\u63d2\u5165\u5230\u8868\u4e2d\u3002\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u5217\u503c\u3002 INSERT INTO [table_name] ([column_1], [column_2], &#8230;) VALUES (value1, value2, &#8230;) \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4\u56db\uff1a\u6267\u884c UPDATE \u8bed\u53e5 \u5982\u679c\u60a8\u5e0c\u671b\u66f4\u65b0\u9519\u8bef\u66f4\u65b0\u7684\u8bb0\u5f55\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\uff1a UPDATE [table_name] SET [column_1] = value1, [column_2] = [&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-5612","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5612","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=5612"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5612\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}