{"id":95684,"date":"2024-10-20T03:07:16","date_gmt":"2024-10-19T19:07:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95684\/"},"modified":"2024-10-20T03:07:17","modified_gmt":"2024-10-19T19:07:17","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%85%b3%e6%9c%ac%e6%b7%ba%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95684\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u6dfa\u6790"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%85%b3%e6%9c%ac%e6%b7%ba%e6%9e%90-AyDbchseNR\">Oracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u6dfa\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u5e02\u5834\u4e0a\u6700\u53d7\u6b61\u8fce\u7684\u6578\u64da\u5eab\u4e4b\u4e00\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5e38\u7528\u547d\u4ee4\u53ca\u5176\u61c9\u7528\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406Oracle\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%85%b3%e6%9c%ac%ef%bc%9f-AyDbchseNR\">\u4ec0\u9ebc\u662fOracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\uff1f<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u662f\u7528\u65bc\u81ea\u52d5\u5316\u6578\u64da\u5eab\u7ba1\u7406\u4efb\u52d9\u7684\u7a0b\u5e8f\u78bc\u3002\u9019\u4e9b\u8173\u672c\u901a\u5e38\u4f7f\u7528PL\/SQL\uff08Procedural Language\/Structured Query Language\uff09\u8a9e\u8a00\u7de8\u5beb\uff0c\u80fd\u5920\u57f7\u884c\u5404\u7a2e\u64cd\u4f5c\uff0c\u5982\u6578\u64da\u67e5\u8a62\u3001\u6578\u64da\u66f4\u65b0\u3001\u6578\u64da\u5099\u4efd\u548c\u6062\u5fa9\u7b49\u3002\u901a\u904e\u4f7f\u7528\u8173\u672c\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\uff08DBA\uff09\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e7%9a%84oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%85%b3%e6%9c%ac-AyDbchseNR\">\u5e38\u7528\u7684Oracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%82%99%e4%bb%bd%e8%85%b3%e6%9c%ac-AyDbchseNR\">1. \u6578\u64da\u5eab\u5099\u4efd\u8173\u672c<\/h3>\n<p>\u6578\u64da\u5099\u4efd\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5099\u4efd\u8173\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>BEGIN\n   DBMS_DATAPUMP.OPEN('EXPORT', 'FULL', NULL, NULL);\n   DBMS_DATAPUMP.ADD_FILE(handle, 'backup.dmp', NULL, NULL);\n   DBMS_DATAPUMP.START(handle);\nEND;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u4f7f\u7528DBMS_DATAPUMP\u5305\u4f86\u5275\u5efa\u4e00\u500b\u5b8c\u6574\u7684\u6578\u64da\u5eab\u5099\u4efd\uff0c\u4e26\u5c07\u5176\u4fdd\u5b58\u70babackup.dmp\u6587\u4ef6\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%e8%85%b3%e6%9c%ac-AyDbchseNR\">2. \u6578\u64da\u67e5\u8a62\u8173\u672c<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u6700\u5e38\u898b\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u7528\u6236\u4fe1\u606f\u7684\u793a\u4f8b\u8173\u672c\uff1a<\/p>\n<pre><code>SELECT username, email\nFROM users\nWHERE status = 'active';<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u72c0\u614b\u70ba\u201cactive\u201d\u7684\u7528\u6236\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e6%9b%b4%e6%96%b0%e8%85%b3%e6%9c%ac-AyDbchseNR\">3. \u6578\u64da\u66f4\u65b0\u8173\u672c<\/h3>\n<p>\u66f4\u65b0\u6578\u64da\u7684\u8173\u672c\u53ef\u4ee5\u5e6b\u52a9DBA\u5feb\u901f\u4fee\u6539\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u66f4\u65b0\u7528\u6236\u96fb\u5b50\u90f5\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE users\nSET email = 'newemail@example.com'\nWHERE username = 'john_doe';<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7528\u6236\u201cjohn_doe\u201d\u7684\u96fb\u5b50\u90f5\u4ef6\u66f4\u65b0\u70ba\u201cnewemail@example.com\u201d\u3002<\/p>\n<h2 id=\"%e8%85%b3%e6%9c%ac%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-AyDbchseNR\">\u8173\u672c\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u7de8\u5bebOracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u63d0\u9ad8\u8173\u672c\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u8a3b\u91cb\uff1a<\/strong>\u5728\u8173\u672c\u4e2d\u6dfb\u52a0\u8a3b\u91cb\uff0c\u4ee5\u4fbf\u5176\u4ed6\u4eba\uff08\u6216\u672a\u4f86\u7684\u81ea\u5df1\uff09\u80fd\u5920\u7406\u89e3\u4ee3\u78bc\u7684\u76ee\u7684\u3002<\/li>\n<li><strong>\u4fdd\u6301\u7c21\u6f54\uff1a<\/strong>\u907f\u514d\u904e\u65bc\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u5c07\u5927\u4efb\u52d9\u62c6\u5206\u70ba\u5c0f\u7684\u53ef\u7ba1\u7406\u90e8\u5206\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u8173\u672c\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u904b\u884c\u4e4b\u524d\uff0c\u61c9\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u5145\u5206\u6e2c\u8a66\u8173\u672c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-AyDbchseNR\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9DBA\u81ea\u52d5\u5316\u65e5\u5e38\u4efb\u52d9\uff0c\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u901a\u904e\u638c\u63e1\u57fa\u672c\u7684\u8173\u672c\u7de8\u5beb\u6280\u5de7\uff0cDBA\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u76f8\u95dc\u6280\u8853\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u66f4\u4e0a\u4e00\u5c64\u6a13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u7ba1\u7406\u8173\u672c\u7684\u57fa\u672c\u6982\u5ff5\u3001\u529f\u80fd\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\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-95684","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95684","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=95684"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95684\/revisions"}],"predecessor-version":[{"id":95685,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95684\/revisions\/95685"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}