{"id":171345,"date":"2024-11-07T01:58:18","date_gmt":"2024-11-06T17:58:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171345\/"},"modified":"2024-11-07T01:58:18","modified_gmt":"2024-11-06T17:58:18","slug":"%e6%b7%ba%e8%ab%87oracle%e8%88%87sql-server%e5%b0%8dupdate%e8%aa%9e%e5%8f%a5%e7%9a%84%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171345\/","title":{"rendered":"\u6dfa\u8ac7Oracle\u8207SQL Server\u5c0dUpdate\u8a9e\u53e5\u7684\u8655\u7406"},"content":{"rendered":"<h1 id=\"%e6%b7%ba%e8%ab%87oracle%e8%88%87sql-server%e5%b0%8dupdate%e8%aa%9e%e5%8f%a5%e7%9a%84%e8%99%95%e7%90%86-LbOAdHkKHZ\">\u6dfa\u8ac7Oracle\u8207SQL Server\u5c0dUpdate\u8a9e\u53e5\u7684\u8655\u7406<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c<strong>Update<\/strong> \u8a9e\u53e5\u662f\u7528\u4f86\u4fee\u6539\u5df2\u5b58\u5728\u6578\u64da\u7684\u91cd\u8981\u5de5\u5177\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5c0d\u65bc Update \u8a9e\u53e5\u7684\u8655\u7406\u65b9\u5f0f\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\uff0c\u672c\u6587\u5c07\u91dd\u5c0d <strong>Oracle<\/strong> \u8207 <strong>SQL Server<\/strong> \u5169\u7a2e\u4e3b\u6d41\u6578\u64da\u5eab\u7cfb\u7d71\u7684 Update \u8a9e\u53e5\u9032\u884c\u6bd4\u8f03\uff0c\u63a2\u8a0e\u5176\u8a9e\u6cd5\u3001\u6027\u80fd\u53ca\u7279\u6027\u7b49\u65b9\u9762\u7684\u5dee\u7570\u3002<\/p>\n<h2 id=\"update%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-LbOAdHkKHZ\">Update\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728 Oracle \u548c SQL Server \u4e2d\uff0cUpdate \u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\u76f8\u4f3c\uff0c\u4f46\u5728\u67d0\u4e9b\u7d30\u7bc0\u4e0a\u5b58\u5728\u5dee\u7570\u3002<\/p>\n<h3 id=\"oracle%e7%9a%84update%e8%aa%9e%e5%8f%a5-LbOAdHkKHZ\">Oracle\u7684Update\u8a9e\u53e5<\/h3>\n<pre><code>UPDATE \u8868\u540d\nSET \u5217\u540d1 = \u503c1, \u5217\u540d2 = \u503c2\nWHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u66f4\u65b0\u54e1\u5de5\u8868\u4e2d\u67d0\u4f4d\u54e1\u5de5\u7684\u85aa\u6c34\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE employees\nSET salary = 5000\nWHERE employee_id = 101;<\/code><\/pre>\n<h3 id=\"sql-server%e7%9a%84update%e8%aa%9e%e5%8f%a5-LbOAdHkKHZ\">SQL Server\u7684Update\u8a9e\u53e5<\/h3>\n<pre><code>UPDATE \u8868\u540d\nSET \u5217\u540d1 = \u503c1, \u5217\u540d2 = \u503c2\nWHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5728 SQL Server \u4e2d\uff0c\u66f4\u65b0\u54e1\u5de5\u85aa\u6c34\u7684\u8a9e\u53e5\u8207 Oracle \u985e\u4f3c\uff1a<\/p>\n<pre><code>UPDATE employees\nSET salary = 5000\nWHERE employee_id = 101;<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-LbOAdHkKHZ\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u6027\u80fd\u65b9\u9762\uff0cOracle \u548c SQL Server \u5c0d Update \u8a9e\u53e5\u7684\u8655\u7406\u4e5f\u6709\u6240\u4e0d\u540c\u3002Oracle \u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u66f4\u65b0\u6642\uff0c\u901a\u5e38\u6703\u4f7f\u7528 <strong>Rollback Segment<\/strong> \u4f86\u7ba1\u7406\u4e8b\u52d9\uff0c\u9019\u4f7f\u5f97\u5728\u9032\u884c\u5927\u898f\u6a21\u66f4\u65b0\u6642\u80fd\u5920\u66f4\u597d\u5730\u63a7\u5236\u4e8b\u52d9\u7684\u5b8c\u6574\u6027\u3002\u800c SQL Server \u5247\u4f7f\u7528 <strong>Transaction Log<\/strong> \u4f86\u8a18\u9304\u6240\u6709\u7684\u8b8a\u66f4\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"%e7%89%b9%e6%80%a7%e6%af%94%e8%bc%83-LbOAdHkKHZ\">\u7279\u6027\u6bd4\u8f03<\/h2>\n<h3 id=\"oracle%e7%9a%84%e7%89%b9%e6%80%a7-LbOAdHkKHZ\">Oracle\u7684\u7279\u6027<\/h3>\n<ul>\n<li><strong>\u591a\u7248\u672c\u63a7\u5236\uff1a<\/strong>Oracle \u652f\u6301\u591a\u7248\u672c\u4e26\u767c\u63a7\u5236\uff08MVCC\uff09\uff0c\u9019\u610f\u5473\u8457\u5728\u9032\u884c Update \u64cd\u4f5c\u6642\uff0c\u8b80\u53d6\u64cd\u4f5c\u4e0d\u6703\u88ab\u9396\u5b9a\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4e26\u767c\u6027\u80fd\u3002<\/li>\n<li><strong>\u81ea\u52d5\u63d0\u4ea4\uff1a<\/strong>\u5728 Oracle \u4e2d\uff0cUpdate \u64cd\u4f5c\u9ed8\u8a8d\u662f\u81ea\u52d5\u63d0\u4ea4\u7684\uff0c\u9019\u610f\u5473\u8457\u6bcf\u6b21\u57f7\u884c Update \u8a9e\u53e5\u5f8c\uff0c\u6578\u64da\u6703\u7acb\u5373\u5beb\u5165\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h3 id=\"sql-server%e7%9a%84%e7%89%b9%e6%80%a7-LbOAdHkKHZ\">SQL Server\u7684\u7279\u6027<\/h3>\n<ul>\n<li><strong>\u9396\u5b9a\u6a5f\u5236\uff1a<\/strong>SQL Server \u5728\u9032\u884c Update \u64cd\u4f5c\u6642\uff0c\u6703\u5c0d\u53d7\u5f71\u97ff\u7684\u884c\u9032\u884c\u9396\u5b9a\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u4e8b\u52d9\u7684\u4e26\u767c\u6027\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u63a7\u5236\uff1a<\/strong>SQL Server \u63d0\u4f9b\u4e86\u66f4\u9748\u6d3b\u7684\u4e8b\u52d9\u63a7\u5236\u9078\u9805\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u5728 Update \u64cd\u4f5c\u5f8c\u624b\u52d5\u63d0\u4ea4\u6216\u56de\u6efe\u4e8b\u52d9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-LbOAdHkKHZ\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cOracle \u8207 SQL Server \u5728 Update \u8a9e\u53e5\u7684\u8655\u7406\u4e0a\u5404\u6709\u5176\u7279\u9ede\u3002Oracle \u66f4\u52a0\u6ce8\u91cd\u4e26\u767c\u6027\u80fd\uff0c\u9069\u5408\u9700\u8981\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u5834\u666f\uff1b\u800c SQL Server \u5247\u63d0\u4f9b\u4e86\u66f4\u9748\u6d3b\u7684\u4e8b\u52d9\u63a7\u5236\uff0c\u9069\u5408\u9700\u8981\u7cbe\u7d30\u63a7\u5236\u7684\u696d\u52d9\u9700\u6c42\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u61c9\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u548c\u6027\u80fd\u8981\u6c42\u4f86\u9032\u884c\u8003\u91cf\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6dfa\u8ac7Oracle\u8207SQL Server\u5728Update\u8a9e\u53e5\u8655\u7406\u4e0a\u7684\u7570\u540c\uff0c\u63a2\u8a0e\u6027\u80fd\u3001\u8a9e\u6cd5\u53ca\u4f7f\u7528\u60c5\u5883\u7684\u6bd4\u8f03\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-171345","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171345","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=171345"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171345\/revisions"}],"predecessor-version":[{"id":171346,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171345\/revisions\/171346"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}