{"id":95248,"date":"2024-10-19T23:28:16","date_gmt":"2024-10-19T15:28:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95248\/"},"modified":"2024-10-19T23:28:16","modified_gmt":"2024-10-19T15:28:16","slug":"oracle%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%af%a6%e9%9a%9b%e7%94%a8%e6%b3%95%e4%bb%a5%e5%8f%8a%e6%84%8f%e7%be%a9%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95248\/","title":{"rendered":"Oracle\u81e8\u6642\u8868\u7684\u5be6\u969b\u7528\u6cd5\u4ee5\u53ca\u610f\u7fa9\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"oracle%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%af%a6%e9%9a%9b%e7%94%a8%e6%b3%95%e4%bb%a5%e5%8f%8a%e6%84%8f%e7%be%a9%e4%bb%8b%e7%b4%b9-okrJiFQcaI\">Oracle\u81e8\u6642\u8868\u7684\u5be6\u969b\u7528\u6cd5\u4ee5\u53ca\u610f\u7fa9\u4ecb\u7d39<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u81e8\u6642\u8868\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5c24\u5176\u662f\u5728Oracle\u6578\u64da\u5eab\u4e2d\u3002\u81e8\u6642\u8868\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5b58\u5132\u81e8\u6642\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u5728\u6703\u8a71\u7d50\u675f\u6216\u4e8b\u52d9\u5b8c\u6210\u5f8c\u6703\u88ab\u81ea\u52d5\u522a\u9664\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u81e8\u6642\u8868\u7684\u5be6\u969b\u7528\u6cd5\u53ca\u5176\u610f\u7fa9\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e8%87%a8%e6%99%82%e8%a1%a8%ef%bc%9f-okrJiFQcaI\">\u4ec0\u9ebc\u662fOracle\u81e8\u6642\u8868\uff1f<\/h2>\n<p>Oracle\u81e8\u6642\u8868\u662f\u4e00\u7a2e\u7279\u6b8a\u985e\u578b\u7684\u8868\uff0c\u4e3b\u8981\u7528\u65bc\u5b58\u5132\u6703\u8a71\u6216\u4e8b\u52d9\u671f\u9593\u7684\u6578\u64da\u3002\u9019\u4e9b\u8868\u7684\u6578\u64da\u5728\u6703\u8a71\u7d50\u675f\u6216\u4e8b\u52d9\u5b8c\u6210\u5f8c\u6703\u81ea\u52d5\u6e05\u9664\uff0c\u9019\u4f7f\u5f97\u5b83\u5011\u975e\u5e38\u9069\u5408\u7528\u65bc\u8655\u7406\u81e8\u6642\u6578\u64da\u6216\u4e2d\u9593\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e9%a1%9e%e5%9e%8b-okrJiFQcaI\">\u81e8\u6642\u8868\u7684\u985e\u578b<\/h2>\n<p>Oracle\u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u81e8\u6642\u8868\uff1a<\/p>\n<ul>\n<li><strong>\u6703\u8a71\u7d1a\u81e8\u6642\u8868\uff1a<\/strong>\u9019\u985e\u81e8\u6642\u8868\u7684\u6578\u64da\u5728\u7528\u6236\u6703\u8a71\u7d50\u675f\u6642\u88ab\u522a\u9664\u3002\u6bcf\u500b\u7528\u6236\u6703\u8a71\u90fd\u53ef\u4ee5\u64c1\u6709\u81ea\u5df1\u7684\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u7528\u6236\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u7d1a\u81e8\u6642\u8868\uff1a<\/strong>\u9019\u985e\u81e8\u6642\u8868\u7684\u6578\u64da\u5728\u4e8b\u52d9\u7d50\u675f\u6642\u88ab\u522a\u9664\u3002\u9019\u610f\u5473\u8457\u5728\u540c\u4e00\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u53ef\u4ee5\u8a2a\u554f\u9019\u4e9b\u6578\u64da\uff0c\u4f46\u5728\u4e8b\u52d9\u5b8c\u6210\u5f8c\uff0c\u6578\u64da\u5c07\u4e0d\u518d\u53ef\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%af%a6%e9%9a%9b%e7%94%a8%e6%b3%95-okrJiFQcaI\">\u81e8\u6642\u8868\u7684\u5be6\u969b\u7528\u6cd5<\/h2>\n<p>\u81e8\u6642\u8868\u5728\u591a\u7a2e\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86-okrJiFQcaI\">1. \u6578\u64da\u8655\u7406<\/h3>\n<p>\u5728\u9032\u884c\u8907\u96dc\u7684\u6578\u64da\u8655\u7406\u6642\uff0c\u81e8\u6642\u8868\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u4e2d\u9593\u7d50\u679c\u3002\u4f8b\u5982\uff0c\u5728\u9032\u884c\u5927\u898f\u6a21\u7684\u6578\u64da\u5206\u6790\u6642\uff0c\u53ef\u4ee5\u5c07\u4e2d\u9593\u8a08\u7b97\u7d50\u679c\u5b58\u5132\u5728\u81e8\u6642\u8868\u4e2d\uff0c\u7136\u5f8c\u518d\u9032\u884c\u9032\u4e00\u6b65\u7684\u8a08\u7b97\u3002<\/p>\n<pre><code>CREATE GLOBAL TEMPORARY TABLE temp_sales (\n    sale_id NUMBER,\n    sale_amount NUMBER\n) ON COMMIT DELETE ROWS;<\/code><\/pre>\n<h3 id=\"2-%e6%b8%9b%e5%b0%91%e9%8e%96%e5%ae%9a-okrJiFQcaI\">2. \u6e1b\u5c11\u9396\u5b9a<\/h3>\n<p>\u4f7f\u7528\u81e8\u6642\u8868\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u4e3b\u8868\u7684\u9396\u5b9a\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u81e8\u6642\u8868\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u7af6\u722d\uff0c\u56e0\u70ba\u6bcf\u500b\u7528\u6236\u7684\u6578\u64da\u662f\u9694\u96e2\u7684\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-okrJiFQcaI\">3. \u6578\u64da\u6e05\u7406<\/h3>\n<p>\u5728\u6578\u64da\u6e05\u7406\u904e\u7a0b\u4e2d\uff0c\u81e8\u6642\u8868\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9700\u8981\u522a\u9664\u7684\u6578\u64da\uff0c\u7136\u5f8c\u518d\u9032\u884c\u6279\u91cf\u522a\u9664\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<pre><code>INSERT INTO temp_sales\nSELECT * FROM sales WHERE sale_date &lt; SYSDATE - 30;<\/code><\/pre>\n<h2 id=\"%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e6%84%8f%e7%be%a9-okrJiFQcaI\">\u81e8\u6642\u8868\u7684\u610f\u7fa9<\/h2>\n<p>\u81e8\u6642\u8868\u7684\u4f7f\u7528\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u589e\u5f37\u4e86\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u9694\u96e2\u6027\u3002\u7531\u65bc\u81e8\u6642\u8868\u7684\u6578\u64da\u662f\u6703\u8a71\u6216\u4e8b\u52d9\u7279\u5b9a\u7684\uff0c\u56e0\u6b64\u4e0d\u6703\u5c0d\u5176\u4ed6\u7528\u6236\u9020\u6210\u5f71\u97ff\uff0c\u9019\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u81e8\u6642\u8868\u9084\u80fd\u5920\u6e1b\u5c11\u5c0d\u4e3b\u8868\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u9019\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u7121\u7591\u662f\u4e00\u500b\u91cd\u8981\u7684\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-okrJiFQcaI\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u81e8\u6642\u8868\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u7121\u8ad6\u662f\u5728\u6578\u64da\u8655\u7406\u3001\u6e1b\u5c11\u9396\u5b9a\u9084\u662f\u6578\u64da\u6e05\u7406\u65b9\u9762\uff0c\u90fd\u5c55\u73fe\u4e86\u5176\u7368\u7279\u7684\u50f9\u503c\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u81e8\u6642\u8868\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u4f7f\u7528\u81e8\u6642\u8868\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u76f8\u95dc\u6280\u8853\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u81e8\u6642\u8868\u7684\u5be6\u969b\u7528\u6cd5\u8207\u610f\u7fa9\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6578\u64da\u548c\u63d0\u5347\u67e5\u8a62\u6027\u80fd\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-95248","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95248","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=95248"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95248\/revisions"}],"predecessor-version":[{"id":95249,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95248\/revisions\/95249"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}