{"id":93780,"date":"2024-10-19T16:51:17","date_gmt":"2024-10-19T08:51:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93780\/"},"modified":"2024-10-19T16:51:18","modified_gmt":"2024-10-19T08:51:18","slug":"oracle-10g-%e4%b8%ad%e7%9a%84-scn-%e5%92%8c-timestamp-%e7%9b%b8%e4%ba%92%e9%97%9c%e4%bf%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93780\/","title":{"rendered":"Oracle 10g \u4e2d\u7684 SCN \u548c TimeStamp \u76f8\u4e92\u95dc\u4fc2"},"content":{"rendered":"<h1 id=\"oracle-10g-%e4%b8%ad%e7%9a%84-scn-%e5%92%8c-timestamp-%e7%9b%b8%e4%ba%92%e9%97%9c%e4%bf%82-HgmUohywqb\">Oracle 10g \u4e2d\u7684 SCN \u548c TimeStamp \u76f8\u4e92\u95dc\u4fc2<\/h1>\n<p>\u5728 Oracle 10g \u6578\u64da\u5eab\u4e2d\uff0c\u7cfb\u7d71\u8b8a\u66f4\u865f\uff08SCN\uff09\u548c\u6642\u9593\u6233\uff08Timestamp\uff09\u662f\u5169\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u5011\u5728\u6578\u64da\u5eab\u7684\u4e8b\u52d9\u7ba1\u7406\u548c\u6578\u64da\u4e00\u81f4\u6027\u65b9\u9762\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002\u7406\u89e3\u9019\u5169\u8005\u4e4b\u9593\u7684\u76f8\u4e92\u95dc\u4fc2\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-scn%ef%bc%9f-HgmUohywqb\">\u4ec0\u9ebc\u662f SCN\uff1f<\/h2>\n<p>SCN\uff08System Change Number\uff09\u662f\u4e00\u500b\u7528\u65bc\u6a19\u8b58\u6578\u64da\u5eab\u4e2d\u6bcf\u500b\u4e8b\u52d9\u7684\u552f\u4e00\u6578\u5b57\u3002\u6bcf\u7576\u6578\u64da\u5eab\u767c\u751f\u8b8a\u66f4\u6642\uff0cOracle \u6703\u81ea\u52d5\u751f\u6210\u4e00\u500b\u65b0\u7684 SCN\u3002\u9019\u500b\u6578\u5b57\u4e0d\u50c5\u7528\u65bc\u8ddf\u8e2a\u4e8b\u52d9\u7684\u9806\u5e8f\uff0c\u9084\u7528\u65bc\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id=\"scn-%e7%9a%84%e7%89%b9%e9%bb%9e-HgmUohywqb\">SCN \u7684\u7279\u9ede<\/h3>\n<ul>\n<li>\u552f\u4e00\u6027\uff1a\u6bcf\u500b SCN \u5728\u6578\u64da\u5eab\u4e2d\u90fd\u662f\u552f\u4e00\u7684\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u6e96\u78ba\u5730\u6a19\u8b58\u6bcf\u500b\u4e8b\u52d9\u3002<\/li>\n<li>\u4e0d\u53ef\u9006\u6027\uff1aSCN \u662f\u55ae\u8abf\u905e\u589e\u7684\uff0c\u9019\u610f\u5473\u8457\u4e00\u65e6\u751f\u6210\uff0c\u5c31\u4e0d\u6703\u88ab\u4fee\u6539\u6216\u91cd\u8907\u3002<\/li>\n<li>\u4e8b\u52d9\u4e00\u81f4\u6027\uff1aSCN \u5728\u4e8b\u52d9\u7684\u63d0\u4ea4\u548c\u56de\u6efe\u904e\u7a0b\u4e2d\u8d77\u8457\u95dc\u9375\u4f5c\u7528\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-timestamp%ef%bc%9f-HgmUohywqb\">\u4ec0\u9ebc\u662f TimeStamp\uff1f<\/h2>\n<p>\u6642\u9593\u6233\uff08Timestamp\uff09\u662f\u6307\u67d0\u4e00\u7279\u5b9a\u6642\u9593\u9ede\u7684\u6a19\u8a18\uff0c\u901a\u5e38\u4ee5\u65e5\u671f\u548c\u6642\u9593\u7684\u5f62\u5f0f\u8868\u793a\u3002\u5728 Oracle \u4e2d\uff0c\u6642\u9593\u6233\u7528\u65bc\u8a18\u9304\u4e8b\u52d9\u7684\u958b\u59cb\u548c\u7d50\u675f\u6642\u9593\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u4f86\u9032\u884c\u6642\u9593\u7bc4\u570d\u67e5\u8a62\u3002<\/p>\n<h3 id=\"timestamp-%e7%9a%84%e7%89%b9%e9%bb%9e-HgmUohywqb\">TimeStamp \u7684\u7279\u9ede<\/h3>\n<ul>\n<li>\u53ef\u8b80\u6027\uff1a\u6642\u9593\u6233\u4ee5\u4eba\u985e\u53ef\u8b80\u7684\u683c\u5f0f\u986f\u793a\uff0c\u4fbf\u65bc\u7406\u89e3\u548c\u4f7f\u7528\u3002<\/li>\n<li>\u7cbe\u78ba\u6027\uff1a\u6642\u9593\u6233\u53ef\u4ee5\u7cbe\u78ba\u5230\u5fae\u79d2\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u91cd\u8981\u3002<\/li>\n<li>\u6642\u9593\u7bc4\u570d\u67e5\u8a62\uff1a\u6642\u9593\u6233\u53ef\u4ee5\u7528\u65bc\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\uff0c\u9019\u5728\u6578\u64da\u5206\u6790\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"scn-%e5%92%8c-timestamp-%e7%9a%84%e7%9b%b8%e4%ba%92%e9%97%9c%e4%bf%82-HgmUohywqb\">SCN \u548c TimeStamp \u7684\u76f8\u4e92\u95dc\u4fc2<\/h2>\n<p>SCN \u548c\u6642\u9593\u6233\u4e4b\u9593\u7684\u95dc\u4fc2\u4e3b\u8981\u9ad4\u73fe\u5728\u6578\u64da\u5eab\u7684\u4e8b\u52d9\u7ba1\u7406\u548c\u6578\u64da\u4e00\u81f4\u6027\u4e0a\u3002\u6bcf\u7576\u4e00\u500b\u4e8b\u52d9\u88ab\u63d0\u4ea4\u6642\uff0cOracle \u6703\u8a18\u9304\u4e0b\u8a72\u4e8b\u52d9\u7684 SCN \u548c\u6642\u9593\u6233\u3002\u9019\u6a23\uff0c\u6578\u64da\u5eab\u5c31\u80fd\u5920\u6839\u64da SCN \u4f86\u78ba\u5b9a\u4e8b\u52d9\u7684\u9806\u5e8f\uff0c\u4e26\u6839\u64da\u6642\u9593\u6233\u4f86\u78ba\u5b9a\u4e8b\u52d9\u7684\u767c\u751f\u6642\u9593\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-HgmUohywqb\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6709\u4e00\u500b\u4e8b\u52d9\u5728 2023 \u5e74 10 \u6708 1 \u65e5 10:00:00 \u958b\u59cb\uff0c\u4e26\u5728 10:05:00 \u63d0\u4ea4\u3002\u9019\u500b\u4e8b\u52d9\u7684 SCN \u53ef\u80fd\u662f 123456\uff0c\u800c\u6642\u9593\u6233\u5247\u662f &#8216;2023-10-01 10:00:00&#8217;\u3002\u7576\u9019\u500b\u4e8b\u52d9\u63d0\u4ea4\u5f8c\uff0cOracle \u6703\u5c07 SCN \u66f4\u65b0\u70ba 123457\uff0c\u4e26\u8a18\u9304\u4e0b\u65b0\u7684\u6642\u9593\u6233 &#8216;2023-10-01 10:05:00&#8217;\u3002<\/p>\n<p>\u5728\u67e5\u8a62\u6578\u64da\u6642\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 SCN \u4f86\u78ba\u4fdd\u7372\u53d6\u5230\u6700\u65b0\u7684\u6578\u64da\u72c0\u614b\uff0c\u6216\u8005\u4f7f\u7528\u6642\u9593\u6233\u4f86\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u4f7f\u5f97 SCN \u548c\u6642\u9593\u6233\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u76f8\u8f14\u76f8\u6210\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-HgmUohywqb\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle 10g \u4e2d\uff0cSCN \u548c\u6642\u9593\u6233\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u95dc\u9375\u5143\u7d20\u3002\u7406\u89e3\u5b83\u5011\u4e4b\u9593\u7684\u76f8\u4e92\u95dc\u4fc2\u4e0d\u50c5\u6709\u52a9\u65bc\u6578\u64da\u5eab\u7684\u7ba1\u7406\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6982\u5ff5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle 10g\u4e2dSCN\u4e0e\u65f6\u95f4\u6233\u7684\u5173\u7cfb\uff0c\u4e86\u89e3\u5982\u4f55\u901a\u8fc7SCN\u8ffd\u8e2a\u6570\u636e\u53d8\u5316\u548c\u65f6\u95f4\u7ba1\u7406\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-93780","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93780","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=93780"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93780\/revisions"}],"predecessor-version":[{"id":93781,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93780\/revisions\/93781"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}