{"id":5867,"date":"2024-11-14T11:50:52","date_gmt":"2024-11-14T03:50:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5867\/"},"modified":"2024-11-14T11:50:52","modified_gmt":"2024-11-14T03:50:52","slug":"sql-update%e9%94%99%e4%ba%86%e6%80%8e%e4%b9%88%e6%81%a2%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5867\/","title":{"rendered":"sql update\u9519\u4e86\u600e\u4e48\u6062\u590d"},"content":{"rendered":"<blockquote><p>\n  \u6062\u590d sql \u66f4\u65b0\u9519\u8bef\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u67e5\u770b\u9519\u8bef\u65e5\u5fd7\u3001\u64a4\u9500\u66f4\u65b0\u3001\u4f7f\u7528\u4e8b\u52a1\u3001\u4f7f\u7528\u5907\u4efd\u3001\u68c0\u67e5\u89e6\u53d1\u5668\u548c\u7ea6\u675f\u3001\u4f7f\u7528\u7248\u672c\u63a7\u5236\uff0c\u4ee5\u53ca\u8054\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u5458\u3002\u8fd9\u4e9b\u6b65\u9aa4\u6709\u52a9\u4e8e\u786e\u5b9a\u9519\u8bef\u539f\u56e0\u3001\u6062\u590d\u6570\u636e\u5e76\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u6570\u636e\u4e22\u5931\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/03\/2024060321123849561.jpg\" class=\"aligncenter\" title=\"sql update\u9519\u4e86\u600e\u4e48\u6062\u590d\u63d2\u56fe\" alt=\"sql update\u9519\u4e86\u600e\u4e48\u6062\u590d\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u66f4\u65b0\u9519\u8bef\u6062\u590d<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 SQL \u66f4\u65b0\u6570\u636e\u65f6\uff0c\u96be\u514d\u4f1a\u9047\u5230\u66f4\u65b0\u9519\u8bef\u7684\u60c5\u51b5\u3002\u6b64\u65f6\uff0c\u9700\u8981\u91c7\u53d6\u6709\u6548\u63aa\u65bd\u53ca\u65f6\u6062\u590d\u6570\u636e\uff0c\u4ee5\u514d\u9020\u6210\u6216\u635f\u574f\u3002<\/p>\n<p><strong>\u5982\u4f55\u6062\u590d SQL \u66f4\u65b0\u9519\u8bef\uff1f<\/strong><\/p>\n<p>\u8981\u6062\u590d SQL \u66f4\u65b0\u9519\u8bef\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><span>\u70b9\u51fb\u4e0b\u8f7d<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>1. \u67e5\u770b\u9519\u8bef\u65e5\u5fd7\uff1a<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u68c0\u67e5 SQL \u9519\u8bef\u65e5\u5fd7\u4ee5\u786e\u5b9a\u66f4\u65b0\u9519\u8bef\u7684\u5177\u4f53\u539f\u56e0\u3002\u65e5\u5fd7\u4e2d\u901a\u5e38\u4f1a\u5305\u542b\u9519\u8bef\u4ee3\u7801\u548c\u9519\u8bef\u63cf\u8ff0\uff0c\u6709\u52a9\u4e8e\u7406\u89e3\u9519\u8bef\u539f\u56e0\u5e76\u5236\u5b9a\u6062\u590d\u7b56\u7565\u3002<\/p>\n<p><strong>2. \u64a4\u9500\u66f4\u65b0\uff08Rollback\uff09\uff1a<\/strong><\/p>\n<p>\u4e00\u65e6\u786e\u5b9a\u4e86\u9519\u8bef\u539f\u56e0\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u64a4\u9500\u66f4\u65b0\u4ee5\u6062\u590d\u539f\u59cb\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>ROLLBACK;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u4e8b\u52a1\uff08Transaction\uff09\uff1a<\/strong><\/p>\n<p>\u5728\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u673a\u5236\u3002\u4e8b\u52a1\u5c06\u4e00\u7cfb\u5217\u66f4\u65b0\u64cd\u4f5c\u6253\u5305\u5728\u4e00\u8d77\uff0c\u5982\u679c\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u64cd\u4f5c\u5931\u8d25\uff0c\u5219\u6574\u4e2a\u4e8b\u52a1\u56de\u6eda\uff0c\u6570\u636e\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<p><strong>4. \u4f7f\u7528\u5907\u4efd\uff08Backup\uff09\uff1a<\/strong><\/p>\n<p>\u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fbf\u5728\u53d1\u751f\u610f\u5916\u60c5\u51b5\uff08\u5982\u66f4\u65b0\u9519\u8bef\uff09\u65f6\u53ef\u4ee5\u6062\u590d\u6570\u636e\u3002\u4e00\u65e6\u53d1\u751f\u9519\u8bef\uff0c\u53ef\u4ee5\u4ece\u5907\u4efd\u4e2d\u6062\u590d\u6570\u636e\u3002<\/p>\n<p><strong>5. \u68c0\u67e5\u89e6\u53d1\u5668\u548c\u7ea6\u675f\uff1a<\/strong><\/p>\n<p>\u66f4\u65b0\u64cd\u4f5c\u53ef\u80fd\u4f1a\u89e6\u53d1\u6570\u636e\u5e93\u4e0a\u7684\u89e6\u53d1\u5668\u6216\u7ea6\u675f\u3002\u5982\u679c\u89e6\u53d1\u5668\u6216\u7ea6\u675f\u672a\u6309\u9884\u671f\u5de5\u4f5c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u65b0\u9519\u8bef\u3002\u68c0\u67e5\u8fd9\u4e9b\u7ec4\u4ef6\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<p><strong>6. \u4f7f\u7528\u7248\u672c\u63a7\u5236\uff08Version Control\uff09\uff1a<\/strong><\/p>\n<p>\u5bf9\u4e8e\u5173\u952e\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u8ddf\u8e2a\u6570\u636e\u5e93\u66f4\u6539\u3002\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u56de\u6eda\u5230\u4ee5\u524d\u7684\u7248\u672c\u4ee5\u6062\u590d\u6570\u636e\u3002<\/p>\n<p><strong>7. \u8054\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u5458\uff08DBA\uff09\uff1a<\/strong><\/p>\n<p>\u5982\u679c\u65e0\u6cd5\u81ea\u884c\u4fee\u590d\u66f4\u65b0\u9519\u8bef\uff0c\u8bf7\u8054\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u5458\u4ee5\u5bfb\u6c42\u5e2e\u52a9\u3002DBA \u62e5\u6709\u5fc5\u8981\u7684\u6743\u9650\u548c\u7ecf\u9a8c\u6765\u89e3\u51b3\u66f4\u590d\u6742\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u6062\u590d\u6570\u636e\u4e4b\u524d\uff0c\u5e94\u4ed4\u7ec6\u5ba1\u67e5\u9519\u8bef\u65e5\u5fd7\u5e76\u4e86\u89e3\u66f4\u65b0\u9519\u8bef\u7684\u6f5c\u5728\u540e\u679c\u3002<\/li>\n<li>\u5728\u6267\u884c\u4efb\u4f55\u6062\u590d\u64cd\u4f5c\u4e4b\u524d\uff0c\u52a1\u5fc5\u5907\u4efd\u6570\u636e\u5e93\u4ee5\u9632\u4e07\u4e00\u3002<\/li>\n<li>\u5b9a\u671f\u5907\u4efd\u548c\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u5e2e\u52a9\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u53d1\u751f\u66f4\u65b0\u9519\u8bef\u7684\u98ce\u9669\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fsql update\u9519\u4e86\u600e\u4e48\u6062\u590d\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>\u6062\u590d sql \u66f4\u65b0\u9519\u8bef\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u67e5\u770b\u9519\u8bef\u65e5\u5fd7\u3001\u64a4\u9500\u66f4\u65b0\u3001\u4f7f\u7528\u4e8b\u52a1\u3001\u4f7f\u7528\u5907\u4efd\u3001\u68c0\u67e5\u89e6\u53d1\u5668\u548c\u7ea6\u675f\u3001\u4f7f\u7528\u7248\u672c\u63a7\u5236\uff0c\u4ee5\u53ca\u8054\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u5458\u3002\u8fd9\u4e9b\u6b65\u9aa4\u6709\u52a9\u4e8e\u786e\u5b9a\u9519\u8bef\u539f\u56e0\u3001\u6062\u590d\u6570\u636e\u5e76\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u6570\u636e\u4e22\u5931\u3002 SQL \u66f4\u65b0\u9519\u8bef\u6062\u590d \u5728\u4f7f\u7528 SQL \u66f4\u65b0\u6570\u636e\u65f6\uff0c\u96be\u514d\u4f1a\u9047\u5230\u66f4\u65b0\u9519\u8bef\u7684\u60c5\u51b5\u3002\u6b64\u65f6\uff0c\u9700\u8981\u91c7\u53d6\u6709\u6548\u63aa\u65bd\u53ca\u65f6\u6062\u590d\u6570\u636e\uff0c\u4ee5\u514d\u9020\u6210\u6216\u635f\u574f\u3002 \u5982\u4f55\u6062\u590d SQL \u66f4\u65b0\u9519\u8bef\uff1f \u8981\u6062\u590d SQL \u66f4\u65b0\u9519\u8bef\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u70b9\u51fb\u4e0b\u8f7d\u201c\u201d\uff1b 1. \u67e5\u770b\u9519\u8bef\u65e5\u5fd7\uff1a \u9996\u5148\uff0c\u68c0\u67e5 SQL \u9519\u8bef\u65e5\u5fd7\u4ee5\u786e\u5b9a\u66f4\u65b0\u9519\u8bef\u7684\u5177\u4f53\u539f\u56e0\u3002\u65e5\u5fd7\u4e2d\u901a\u5e38\u4f1a\u5305\u542b\u9519\u8bef\u4ee3\u7801\u548c\u9519\u8bef\u63cf\u8ff0\uff0c\u6709\u52a9\u4e8e\u7406\u89e3\u9519\u8bef\u539f\u56e0\u5e76\u5236\u5b9a\u6062\u590d\u7b56\u7565\u3002 2. \u64a4\u9500\u66f4\u65b0\uff08Rollback\uff09\uff1a \u4e00\u65e6\u786e\u5b9a\u4e86\u9519\u8bef\u539f\u56e0\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u64a4\u9500\u66f4\u65b0\u4ee5\u6062\u590d\u539f\u59cb\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a ROLLBACK; \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528\u4e8b\u52a1\uff08Transaction\uff09\uff1a \u5728\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u673a\u5236\u3002\u4e8b\u52a1\u5c06\u4e00\u7cfb\u5217\u66f4\u65b0\u64cd\u4f5c\u6253\u5305\u5728\u4e00\u8d77\uff0c\u5982\u679c\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u64cd\u4f5c\u5931\u8d25\uff0c\u5219\u6574\u4e2a\u4e8b\u52a1\u56de\u6eda\uff0c\u6570\u636e\u4fdd\u6301\u4e0d\u53d8\u3002 4. \u4f7f\u7528\u5907\u4efd\uff08Backup\uff09\uff1a \u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fbf\u5728\u53d1\u751f\u610f\u5916\u60c5\u51b5\uff08\u5982\u66f4\u65b0\u9519\u8bef\uff09\u65f6\u53ef\u4ee5\u6062\u590d\u6570\u636e\u3002\u4e00\u65e6\u53d1\u751f\u9519\u8bef\uff0c\u53ef\u4ee5\u4ece\u5907\u4efd\u4e2d\u6062\u590d\u6570\u636e\u3002 5. \u68c0\u67e5\u89e6\u53d1\u5668\u548c\u7ea6\u675f\uff1a \u66f4\u65b0\u64cd\u4f5c\u53ef\u80fd\u4f1a\u89e6\u53d1\u6570\u636e\u5e93\u4e0a\u7684\u89e6\u53d1\u5668\u6216\u7ea6\u675f\u3002\u5982\u679c\u89e6\u53d1\u5668\u6216\u7ea6\u675f\u672a\u6309\u9884\u671f\u5de5\u4f5c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u65b0\u9519\u8bef\u3002\u68c0\u67e5\u8fd9\u4e9b\u7ec4\u4ef6\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002 6. \u4f7f\u7528\u7248\u672c\u63a7\u5236\uff08Version Control\uff09\uff1a \u5bf9\u4e8e\u5173\u952e\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u8ddf\u8e2a\u6570\u636e\u5e93\u66f4\u6539\u3002\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u56de\u6eda\u5230\u4ee5\u524d\u7684\u7248\u672c\u4ee5\u6062\u590d\u6570\u636e\u3002 7. \u8054\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u5458\uff08DBA\uff09\uff1a \u5982\u679c\u65e0\u6cd5\u81ea\u884c\u4fee\u590d\u66f4\u65b0\u9519\u8bef\uff0c\u8bf7\u8054\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u5458\u4ee5\u5bfb\u6c42\u5e2e\u52a9\u3002DBA \u62e5\u6709\u5fc5\u8981\u7684\u6743\u9650\u548c\u7ecf\u9a8c\u6765\u89e3\u51b3\u66f4\u590d\u6742\u7684\u95ee\u9898\u3002 \u6ce8\u610f\uff1a \u5728\u6062\u590d\u6570\u636e\u4e4b\u524d\uff0c\u5e94\u4ed4\u7ec6\u5ba1\u67e5\u9519\u8bef\u65e5\u5fd7\u5e76\u4e86\u89e3\u66f4\u65b0\u9519\u8bef\u7684\u6f5c\u5728\u540e\u679c\u3002 \u5728\u6267\u884c\u4efb\u4f55\u6062\u590d\u64cd\u4f5c\u4e4b\u524d\uff0c\u52a1\u5fc5\u5907\u4efd\u6570\u636e\u5e93\u4ee5\u9632\u4e07\u4e00\u3002 \u5b9a\u671f\u5907\u4efd\u548c\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u5e2e\u52a9\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u53d1\u751f\u66f4\u65b0\u9519\u8bef\u7684\u98ce\u9669\u3002 \u4ee5\u4e0a\u5c31\u662fsql update\u9519\u4e86\u600e\u4e48\u6062\u590d\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-5867","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5867","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=5867"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5867\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}