{"id":5720,"date":"2024-11-14T12:59:24","date_gmt":"2024-11-14T04:59:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5720\/"},"modified":"2024-11-14T12:59:24","modified_gmt":"2024-11-14T04:59:24","slug":"sql%e4%bf%ae%e6%94%b9%e6%95%b0%e6%8d%ae%e5%90%8e%e6%80%8e%e4%b9%88%e4%bf%9d%e5%ad%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5720\/","title":{"rendered":"sql\u4fee\u6539\u6570\u636e\u540e\u600e\u4e48\u4fdd\u5b58"},"content":{"rendered":"<blockquote><p>\n  sql \u4e2d\u4fdd\u5b58\u4fee\u6539\u540e\u6570\u636e\u7684\u6b65\u9aa4\uff1a\u63d0\u4ea4\u4e8b\u52a1\uff1acommit \u547d\u4ee4\u5c06\u66f4\u6539\u5199\u5165\u6570\u636e\u5e93\u3002\u9690\u5f0f\u4fdd\u5b58\uff1a\u5728\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u4e0b\u6216\u4f7f\u7528 ddl \u8bed\u53e5\u65f6\uff0c\u66f4\u6539\u4f1a\u81ea\u52a8\u4fdd\u5b58\u3002\u56de\u6eda\u4e8b\u52a1\uff08\u53ef\u9009\uff09\uff1arollback \u547d\u4ee4\u64a4\u6d88\u672a\u4fdd\u5b58\u7684\u66f4\u6539\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053021213281389.jpg\" class=\"aligncenter\" title=\"sql\u4fee\u6539\u6570\u636e\u540e\u600e\u4e48\u4fdd\u5b58\u63d2\u56fe\" alt=\"sql\u4fee\u6539\u6570\u636e\u540e\u600e\u4e48\u4fdd\u5b58\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u5982\u4f55\u4fdd\u5b58\u4fee\u6539\u540e\u7684\u6570\u636e<\/strong><\/p>\n<p>SQL \u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u4fee\u6539\u540e\uff0c\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\u6765\u4fdd\u5b58\u66f4\u6539\uff1a<\/p>\n<p><strong>1. \u63d0\u4ea4\u4e8b\u52a1<\/strong><\/p>\n<p>SQL \u64cd\u4f5c\u901a\u5e38\u5728\u4e8b\u52a1\u4e2d\u6267\u884c\uff0c\u4e8b\u52a1\u662f\u4e00\u7ec4\u539f\u5b50\u64cd\u4f5c\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002\u8981\u4fdd\u5b58\u66f4\u6539\uff0c\u9700\u8981\u63d0\u4ea4\u4e8b\u52a1\u3002<\/p>\n<ul>\n<li> <strong>\u63d0\u4ea4\uff08COMMIT\uff09\u547d\u4ee4\uff1a<\/strong>\u63d0\u4ea4\u5f53\u524d\u4e8b\u52a1\uff0c\u5c06\u6240\u6709\u66f4\u6539\u5199\u5165\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<pre>COMMIT;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u9690\u5f0f\u4fdd\u5b58<\/strong><\/p>\n<p>\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cSQL \u4f1a\u81ea\u52a8\u4fdd\u5b58\u66f4\u6539\uff0c\u79f0\u4e3a\u9690\u5f0f\u4fdd\u5b58\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li> <strong>\u4f7f\u7528 AUTOCOMMIT\uff1a<\/strong>\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u540e\uff0c\u6bcf\u6761\u8bed\u53e5\u6267\u884c\u540e\u90fd\u4f1a\u81ea\u52a8\u63d0\u4ea4\u4e8b\u52a1\uff0c\u56e0\u6b64\u66f4\u6539\u4f1a\u81ea\u52a8\u4fdd\u5b58\u3002<\/li>\n<li> <strong>\u4f7f\u7528 DDL \u8bed\u53e5\uff08\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff09\uff1a<\/strong>\u521b\u5efa\u6216\u4fee\u6539\u8868\u3001\u7d22\u5f15\u7b49\u6570\u636e\u5e93\u7ed3\u6784\u65f6\uff0c\u66f4\u6539\u4f1a\u81ea\u52a8\u4fdd\u5b58\u3002<\/li>\n<\/ul>\n<pre>SET AUTOCOMMIT = 1;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>3. \u56de\u6eda\u4e8b\u52a1\uff08\u53ef\u9009\uff09<\/strong><\/p>\n<p>\u5982\u679c\u9700\u8981\u64a4\u6d88\u672a\u4fdd\u5b58\u7684\u66f4\u6539\uff0c\u53ef\u4ee5\u4f7f\u7528\u56de\u6eda\u4e8b\u52a1\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li> <strong>\u56de\u6eda\uff08ROLLBACK\uff09\u547d\u4ee4\uff1a<\/strong>\u56de\u6eda\u5f53\u524d\u4e8b\u52a1\uff0c\u6240\u6709\u672a\u63d0\u4ea4\u7684\u66f4\u6539\u90fd\u4f1a\u88ab\u4e22\u5f03\u3002<\/li>\n<\/ul>\n<pre>ROLLBACK;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u53ea\u6709\u5df2\u8fde\u63a5\u5230\u6570\u636e\u5e93\u4f1a\u8bdd\u7684\u7528\u6237\u624d\u80fd\u4fdd\u5b58\u66f4\u6539\u3002<\/li>\n<li>\u5728\u4fdd\u5b58\u66f4\u6539\u4e4b\u524d\uff0c\u53ef\u4ee5\u968f\u65f6\u4f7f\u7528 SELECT \u8bed\u53e5\u67e5\u770b\u4fee\u6539\u540e\u7684\u6570\u636e\u3002<\/li>\n<li>\u5982\u679c\u4e0d\u4fdd\u5b58\u66f4\u6539\uff0c\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\u4e2d\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u5728\u4f1a\u8bdd\u7ed3\u675f\u540e\u4e22\u5931\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u4fee\u6539\u6570\u636e\u540e\u600e\u4e48\u4fdd\u5b58\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 \u4e2d\u4fdd\u5b58\u4fee\u6539\u540e\u6570\u636e\u7684\u6b65\u9aa4\uff1a\u63d0\u4ea4\u4e8b\u52a1\uff1acommit \u547d\u4ee4\u5c06\u66f4\u6539\u5199\u5165\u6570\u636e\u5e93\u3002\u9690\u5f0f\u4fdd\u5b58\uff1a\u5728\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u4e0b\u6216\u4f7f\u7528 ddl \u8bed\u53e5\u65f6\uff0c\u66f4\u6539\u4f1a\u81ea\u52a8\u4fdd\u5b58\u3002\u56de\u6eda\u4e8b\u52a1\uff08\u53ef\u9009\uff09\uff1arollback \u547d\u4ee4\u64a4\u6d88\u672a\u4fdd\u5b58\u7684\u66f4\u6539\u3002 SQL \u5982\u4f55\u4fdd\u5b58\u4fee\u6539\u540e\u7684\u6570\u636e SQL \u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u4fee\u6539\u540e\uff0c\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\u6765\u4fdd\u5b58\u66f4\u6539\uff1a 1. \u63d0\u4ea4\u4e8b\u52a1 SQL \u64cd\u4f5c\u901a\u5e38\u5728\u4e8b\u52a1\u4e2d\u6267\u884c\uff0c\u4e8b\u52a1\u662f\u4e00\u7ec4\u539f\u5b50\u64cd\u4f5c\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002\u8981\u4fdd\u5b58\u66f4\u6539\uff0c\u9700\u8981\u63d0\u4ea4\u4e8b\u52a1\u3002 \u63d0\u4ea4\uff08COMMIT\uff09\u547d\u4ee4\uff1a\u63d0\u4ea4\u5f53\u524d\u4e8b\u52a1\uff0c\u5c06\u6240\u6709\u66f4\u6539\u5199\u5165\u6570\u636e\u5e93\u3002 COMMIT; \u767b\u5f55\u540e\u590d\u5236 2. \u9690\u5f0f\u4fdd\u5b58 \u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cSQL \u4f1a\u81ea\u52a8\u4fdd\u5b58\u66f4\u6539\uff0c\u79f0\u4e3a\u9690\u5f0f\u4fdd\u5b58\u3002\u4f8b\u5982\uff1a \u4f7f\u7528 AUTOCOMMIT\uff1a\u8bbe\u7f6e\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u540e\uff0c\u6bcf\u6761\u8bed\u53e5\u6267\u884c\u540e\u90fd\u4f1a\u81ea\u52a8\u63d0\u4ea4\u4e8b\u52a1\uff0c\u56e0\u6b64\u66f4\u6539\u4f1a\u81ea\u52a8\u4fdd\u5b58\u3002 \u4f7f\u7528 DDL \u8bed\u53e5\uff08\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff09\uff1a\u521b\u5efa\u6216\u4fee\u6539\u8868\u3001\u7d22\u5f15\u7b49\u6570\u636e\u5e93\u7ed3\u6784\u65f6\uff0c\u66f4\u6539\u4f1a\u81ea\u52a8\u4fdd\u5b58\u3002 SET AUTOCOMMIT = 1; \u767b\u5f55\u540e\u590d\u5236 3. \u56de\u6eda\u4e8b\u52a1\uff08\u53ef\u9009\uff09 \u5982\u679c\u9700\u8981\u64a4\u6d88\u672a\u4fdd\u5b58\u7684\u66f4\u6539\uff0c\u53ef\u4ee5\u4f7f\u7528\u56de\u6eda\u4e8b\u52a1\u547d\u4ee4\uff1a \u56de\u6eda\uff08ROLLBACK\uff09\u547d\u4ee4\uff1a\u56de\u6eda\u5f53\u524d\u4e8b\u52a1\uff0c\u6240\u6709\u672a\u63d0\u4ea4\u7684\u66f4\u6539\u90fd\u4f1a\u88ab\u4e22\u5f03\u3002 ROLLBACK; \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\uff1a \u53ea\u6709\u5df2\u8fde\u63a5\u5230\u6570\u636e\u5e93\u4f1a\u8bdd\u7684\u7528\u6237\u624d\u80fd\u4fdd\u5b58\u66f4\u6539\u3002 \u5728\u4fdd\u5b58\u66f4\u6539\u4e4b\u524d\uff0c\u53ef\u4ee5\u968f\u65f6\u4f7f\u7528 SELECT \u8bed\u53e5\u67e5\u770b\u4fee\u6539\u540e\u7684\u6570\u636e\u3002 \u5982\u679c\u4e0d\u4fdd\u5b58\u66f4\u6539\uff0c\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\u4e2d\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u5728\u4f1a\u8bdd\u7ed3\u675f\u540e\u4e22\u5931\u3002 \u4ee5\u4e0a\u5c31\u662fsql\u4fee\u6539\u6570\u636e\u540e\u600e\u4e48\u4fdd\u5b58\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5720","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5720","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=5720"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5720\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}