{"id":545,"date":"2023-05-08T10:35:06","date_gmt":"2023-05-08T02:35:06","guid":{"rendered":"https:\/\/www.db2go.net\/?p=545"},"modified":"2023-05-08T10:38:45","modified_gmt":"2023-05-08T02:38:45","slug":"mysql%e5%90%8c%e4%b8%80%e4%b8%aa%e5%ae%9e%e4%be%8b%e4%b8%ad%ef%bc%8c%e4%bd%bf%e7%94%a8%e8%a7%a6%e5%8f%91%e5%99%a8%e8%ae%a9a%e5%ba%93%e4%b8%ad%e7%9a%84%e8%a1%a8%e5%8f%91%e7%94%9f%e5%8f%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.db2go.net\/?p=545","title":{"rendered":"MySQL\u540c\u4e00\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u4f7f\u7528\u89e6\u53d1\u5668\u8ba9A\u5e93\u4e2d\u7684\u8868\u53d1\u751f\u53d8\u5316\u65f6\u81ea\u52a8\u540c\u6b65\u5230 B \u5e93\u4e2d\u8868"},"content":{"rendered":"<p>\u9002\u7528\u4e8e\u5728\u540c\u4e00\u4e2a MySQL \u5b9e\u4f8b\u4e2d\u7684\u4e0d\u540c\u6570\u636e\u5e93\u3002<\/p>\n<p>\u65b0\u589e\uff1a<\/p>\n<pre><code class=\"language-sql line-numbers\">DELIMITER \/\/\nCREATE TRIGGER sync_table_insert\nAFTER INSERT ON A.table_A\nFOR EACH ROW\nBEGIN\n  INSERT INTO B.table_B (column1, column2, ...)\n  VALUES (NEW.column1, NEW.column2, ...);\nEND;\n\/\/\nDELIMITER ;\n<\/code><\/pre>\n<p>\u66f4\u65b0\uff1a<\/p>\n<pre><code class=\"language-sql line-numbers\">DELIMITER \/\/\nCREATE TRIGGER sync_table_update\nAFTER UPDATE ON A.table_A\nFOR EACH ROW\nBEGIN\n  UPDATE B.table_B\n  SET column1 = NEW.column1, column2 = NEW.column2, ...\n  WHERE id = NEW.id;\nEND;\n\/\/\nDELIMITER ;\n<\/code><\/pre>\n<p>\u5220\u9664\uff1a<\/p>\n<pre><code class=\"language-sql line-numbers\">DELIMITER \/\/\nCREATE TRIGGER sync_table_delete\nAFTER DELETE ON A.table_A\nFOR EACH ROW\nBEGIN\n  DELETE FROM B.table_B\n  WHERE id = OLD.id;\nEND;\n\/\/\nDELIMITER ;\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9002\u7528\u4e8e\u5728\u540c\u4e00\u4e2a MySQL \u5b9e\u4f8b\u4e2d\u7684\u4e0d\u540c\u6570\u636e\u5e93\u3002 \u65b0\u589e\uff1a DELIMITER \/\/ CREATE TRIGGE&hellip;<\/p>\n <a href=\"https:\/\/www.db2go.net\/?p=545\" title=\"MySQL\u540c\u4e00\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u4f7f\u7528\u89e6\u53d1\u5668\u8ba9A\u5e93\u4e2d\u7684\u8868\u53d1\u751f\u53d8\u5316\u65f6\u81ea\u52a8\u540c\u6b65\u5230 B \u5e93\u4e2d\u8868\" class=\"entry-more-link\"><span>Read More<\/span> <span class=\"screen-reader-text\">MySQL\u540c\u4e00\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u4f7f\u7528\u89e6\u53d1\u5668\u8ba9A\u5e93\u4e2d\u7684\u8868\u53d1\u751f\u53d8\u5316\u65f6\u81ea\u52a8\u540c\u6b65\u5230 B \u5e93\u4e2d\u8868<\/span><\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"Layout":"","footnotes":""},"categories":[5],"tags":[],"class_list":["entry","author-suredandan","post-545","post","type-post","status-publish","format-standard","category-mysql"],"views":1604,"_links":{"self":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=545"}],"version-history":[{"count":2,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/545\/revisions"}],"predecessor-version":[{"id":547,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/545\/revisions\/547"}],"wp:attachment":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}