{"id":200292,"date":"2025-05-06T10:11:40","date_gmt":"2025-05-06T02:11:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200292\/"},"modified":"2025-05-06T10:11:40","modified_gmt":"2025-05-06T02:11:40","slug":"%e5%90%8c%e5%ba%93%e7%8e%af%e5%a2%83%e4%b8%8b%e9%ab%98%e6%95%88%e4%bf%ae%e6%94%b9%e5%a4%9a%e5%bc%a0%e5%90%8c%e5%90%8d%e8%a1%a8%e6%95%b0%e6%8d%ae%ef%bc%9a%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e8%b7%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200292\/","title":{"rendered":"\u540c\u5e93\u73af\u5883\u4e0b\u9ad8\u6548\u4fee\u6539\u591a\u5f20\u540c\u540d\u8868\u6570\u636e\uff1a\u5982\u4f55\u5b9e\u73b0\u8de8\u6570\u636e\u5e93\u6279\u91cf\u66f4\u65b0\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u540c\u5e93\u73af\u5883\u4e0b\u9ad8\u6548\u4fee\u6539\u591a\u5f20\u540c\u540d\u8868\u6570\u636e\uff1a\u5982\u4f55\u5b9e\u73b0\u8de8\u6570\u636e\u5e93\u6279\u91cf\u66f4\u65b0\uff1f<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9\u6570\u636e\u5e93\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300a\u540c\u5e93\u73af\u5883\u4e0b\u9ad8\u6548\u4fee\u6539\u591a\u5f20\u540c\u540d\u8868\u6570\u636e\uff1a\u5982\u4f55\u5b9e\u73b0\u8de8\u6570\u636e\u5e93\u6279\u91cf\u66f4\u65b0\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241031\/173036667867234cd6e30a3.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u540c\u5e93\u73af\u5883\u4e0b\u9ad8\u6548\u4fee\u6539\u591a\u5f20\u8868\u6570\u636e<\/strong><\/p>\n<p>\u60a8\u6709\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u4e2d\u90fd\u6709\u4e00\u5f20\u540c\u540d\u7684\u8868\uff0c\u9700\u8981\u5bf9\u8fd9\u5f20\u8868\u8fdb\u884c\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u3002\u5982\u4f55\u540c\u65f6\u5bf9\u591a\u6570\u636e\u5e93\u7684\u540c\u540d\u8868\u8fdb\u884c\u64cd\u4f5c\u5462\uff1f <\/p>\n<p><strong>\u65b9\u6cd5<\/strong><\/p>\n<p><strong>1. \u901a\u8fc7\u6267\u884c\u591a\u6761sql \u8bed\u53e5<\/strong><\/p>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u89e3\u51b3\u65b9\u6848\u662f\u9010\u4e2a\u6267\u884csql \u8bed\u53e5\uff0c\u4f46\u8fd9\u6837\u53ef\u80fd\u4f1a\u975e\u5e38\u8017\u65f6\u3002 <\/p>\n<pre>use database1;\nupdate table1 set field1 = 'value1' where id = 1;\nuse database2;\nupdate table1 set field1 = 'value1' where id = 1;\n...<\/pre>\n<p><strong>2. \u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b<\/strong><\/p>\n<p>\u5b58\u50a8\u8fc7\u7a0b\u5141\u8bb8\u60a8\u5c06\u4e00\u7cfb\u5217 sql \u8bed\u53e5\u6253\u5305\u6210\u4e00\u4e2a\u5355\u5143\uff0c\u7136\u540e\u518d\u6267\u884c\u5b83\u4eec\u3002\u8fd9\u6bd4\u9010\u4e2a\u6267\u884c\u8bed\u53e5\u8981\u9ad8\u6548\u5f97\u591a\u3002 <\/p>\n<pre>create procedure update_multi_db_tables()\nbegin\n    use database1;\n    update table1 set field1 = 'value1' where id = 1;\n    use database2;\n    update table1 set field1 = 'value1' where id = 1;\n    ...\nend<\/pre>\n<p>\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\uff1a<\/p>\n<pre>call update_multi_db_tables();<\/pre>\n<p><strong>3. \u4f7f\u7528\u8054\u63a5\u67e5\u8be2<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fmysql 8.0 \u6216\u66f4\u9ad8\u7248\u672c\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8054\u63a5\u67e5\u8be2\u6765\u540c\u65f6\u66f4\u65b0\u591a\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002 <\/p>\n<pre>UPDATE database1.table1, database2.table1\nSET database1.table1.field1 = 'value1', database2.table1.field1 = 'value1'\nWHERE database1.table1.id = database2.table1.id;<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u8054\u63a5\u67e5\u8be2\uff0c\u60a8\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8\u66f4\u65b0\u591a\u4e2a\u6570\u636e\u5e93\u4e2d\u7684\u8868\u7684\u6548\u7387\u3002 <\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u540c\u5e93\u73af\u5883\u4e0b\u9ad8\u6548\u4fee\u6539\u591a\u5f20\u540c\u540d\u8868\u6570\u636e&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200292","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200292"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200292\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}