{"id":189770,"date":"2024-11-12T09:02:21","date_gmt":"2024-11-12T01:02:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189770\/"},"modified":"2024-11-12T09:02:23","modified_gmt":"2024-11-12T01:02:23","slug":"%e5%ae%8c%e7%be%8e%e8%a7%a3%e6%b1%ba%ef%bc%9aplsql%e7%99%bb%e9%8c%84%ef%bc%8c%e5%a6%82%e4%bd%95%e8%a3%9c%e4%b8%8a%e4%b8%9f%e5%a4%b1%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%81-plsql%e7%99%bb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189770\/","title":{"rendered":"\u5b8c\u7f8e\u89e3\u6c7a\uff1aPLSQL\u767b\u9304\uff0c\u5982\u4f55\u88dc\u4e0a\u4e1f\u5931\u7684\u6578\u64da\u5eab\uff01 (plsql\u767b\u9304\u88dc\u4e0a\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8plsql%e8%a3%9c%e4%b8%8a%e4%b8%9f%e5%a4%b1%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-ojDTLpuSts\">\u5982\u4f55\u4f7f\u7528PLSQL\u88dc\u4e0a\u4e1f\u5931\u7684\u6578\u64da\u5eab<\/h2>\n<p>\u7576\u767c\u73fe\u6578\u64da\u4e1f\u5931\u6642\uff0c\u9996\u5148\u9700\u8981\u9032\u884c\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u5617\u8a66\u6062\u5fa9\u6578\u64da\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1%e7%9a%84%e7%af%84%e5%9c%8d-ojDTLpuSts\">1. \u78ba\u8a8d\u6578\u64da\u4e1f\u5931\u7684\u7bc4\u570d<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u6062\u5fa9\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u8981\u78ba\u8a8d\u54ea\u4e9b\u6578\u64da\u5df2\u7d93\u4e1f\u5931\u3002\u9019\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\u4f86\u5b8c\u6210\uff0c\u65e5\u8a8c\u6587\u4ef6\u901a\u5e38\u6703\u8a18\u9304\u6240\u6709\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%82%99%e4%bb%bd%e6%81%a2%e5%be%a9%e6%95%b8%e6%93%9a-ojDTLpuSts\">2. \u4f7f\u7528\u5099\u4efd\u6062\u5fa9\u6578\u64da<\/h3>\n<p>\u5982\u679c\u60a8\u6709\u5b9a\u671f\u5099\u4efd\u7684\u7fd2\u6163\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bPLSQL\u547d\u4ee4\u4f86\u6062\u5fa9\u6578\u64da\uff1a<\/p>\n<pre><code>RESTORE DATABASE FROM 'backup_location';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5f9e\u6307\u5b9a\u7684\u5099\u4efd\u4f4d\u7f6e\u6062\u5fa9\u6574\u500b\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8flashback%e6%8a%80%e8%a1%93-ojDTLpuSts\">3. \u4f7f\u7528Flashback\u6280\u8853<\/h3>\n<p>Oracle\u63d0\u4f9b\u4e86\u4e00\u7a2e\u540d\u70baFlashback\u7684\u6280\u8853\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u6062\u5fa9\u5230\u67d0\u500b\u6642\u9593\u9ede\u7684\u6578\u64da\u3002\u4f7f\u7528Flashback\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>FLASHBACK TABLE table_name TO TIMESTAMP (SYSTIMESTAMP - INTERVAL '10' MINUTE);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6307\u5b9a\u7684\u8868\u6062\u5fa9\u523010\u5206\u9418\u524d\u7684\u72c0\u614b\u3002<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ae%8c%e6%95%b4%e6%80%a7-ojDTLpuSts\">4. \u6aa2\u67e5\u6578\u64da\u5b8c\u6574\u6027<\/h3>\n<p>\u5728\u6062\u5fa9\u6578\u64da\u5f8c\uff0c\u52d9\u5fc5\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bPLSQL\u547d\u4ee4\u4f86\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\uff1a<\/p>\n<pre><code>SELECT * FROM table_name WHERE condition;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6062\u5fa9\u7684\u6578\u64da\u7b26\u5408\u9810\u671f\u3002<\/p>\n<h2 id=\"%e9%a0%90%e9%98%b2%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-ojDTLpuSts\">\u9810\u9632\u6578\u64da\u4e1f\u5931\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u672a\u4f86\u518d\u6b21\u767c\u751f\u6578\u64da\u4e1f\u5931\u7684\u60c5\u6cc1\uff0c\u5efa\u8b70\u63a1\u53d6\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4e26\u78ba\u4fdd\u5099\u4efd\u6587\u4ef6\u7684\u5b89\u5168\u5b58\u5132\u3002<\/li>\n<li>\u5be6\u65bd\u6578\u64da\u5eab\u76e3\u63a7\uff0c\u53ca\u6642\u767c\u73fe\u7570\u5e38\u60c5\u6cc1\u3002<\/li>\n<li>\u9032\u884c\u5b9a\u671f\u7684\u6578\u64da\u5b8c\u6574\u6027\u6aa2\u67e5\u3002<\/li>\n<li>\u70ba\u6578\u64da\u5eab\u8a2d\u7f6e\u9069\u7576\u7684\u6b0a\u9650\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ojDTLpuSts\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u4e1f\u5931\u662f\u4e00\u500b\u56b4\u91cd\u7684\u554f\u984c\uff0c\u4f46\u901a\u904ePLSQL\u767b\u9304\u548c\u9069\u7576\u7684\u6062\u5fa9\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u88dc\u4e0a\u4e1f\u5931\u7684\u6578\u64da\u5eab\u3002\u4e86\u89e3\u6578\u64da\u4e1f\u5931\u7684\u539f\u56e0\u3001\u4f7f\u7528\u5099\u4efd\u548cFlashback\u6280\u8853\uff0c\u4ee5\u53ca\u5be6\u65bd\u6700\u4f73\u5be6\u8e10\uff0c\u90fd\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u5728\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22PLSQL\u767b\u9304\u7684\u5b8c\u7f8e\u89e3\u6c7a\u65b9\u6848\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u88dc\u4e0a\u4e1f\u5931\u7684\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u5b89\u5168\u6027\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-189770","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189770","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=189770"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189770\/revisions"}],"predecessor-version":[{"id":189771,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189770\/revisions\/189771"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}