{"id":96102,"date":"2024-10-20T06:37:16","date_gmt":"2024-10-19T22:37:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96102\/"},"modified":"2024-10-20T06:37:17","modified_gmt":"2024-10-19T22:37:17","slug":"oracle%e6%8e%a8%e5%87%ba%e5%88%97%e5%bc%8f%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e6%a5%b5%e5%a4%a7%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87-oracle%e7%9a%84%e5%88%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96102\/","title":{"rendered":"Oracle\u63a8\u51fa\u5217\u5f0f\u6578\u64da\u5eab\uff1a\u6975\u5927\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387 (oracle\u7684\u5217\u5f0f\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"oracle%e6%8e%a8%e5%87%ba%e5%88%97%e5%bc%8f%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e6%a5%b5%e5%a4%a7%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87-OIwLjjRhaE\">Oracle\u63a8\u51fa\u5217\u5f0f\u6578\u64da\u5eab\uff1a\u6975\u5927\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387<\/h1>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u6025\u5287\u589e\u9577\uff0c\u4f01\u696d\u5c0d\u6578\u64da\u67e5\u8a62\u6548\u7387\u7684\u9700\u6c42\u4e5f\u65e5\u76ca\u589e\u52a0\u3002\u50b3\u7d71\u7684\u884c\u5f0f\u6578\u64da\u5eab\u5728\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u6642\uff0c\u5f80\u5f80\u9762\u81e8\u6027\u80fd\u74f6\u9838\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0cOracle\u63a8\u51fa\u4e86\u5176\u5217\u5f0f\u6578\u64da\u5eab\uff0c\u9019\u4e00\u5275\u65b0\u6280\u8853\u6975\u5927\u5730\u63d0\u5347\u4e86\u6578\u64da\u67e5\u8a62\u7684\u6548\u7387\uff0c\u4e26\u70ba\u6578\u64da\u5206\u6790\u63d0\u4f9b\u4e86\u66f4\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%97%e5%bc%8f%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-OIwLjjRhaE\">\u4ec0\u9ebc\u662f\u5217\u5f0f\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u5217\u5f0f\u6578\u64da\u5eab\uff08Columnar Database\uff09\u662f\u4e00\u7a2e\u4ee5\u5217\u70ba\u55ae\u4f4d\u5b58\u5132\u6578\u64da\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u8207\u50b3\u7d71\u7684\u884c\u5f0f\u6578\u64da\u5eab\u4e0d\u540c\uff0c\u884c\u5f0f\u6578\u64da\u5eab\u662f\u5c07\u6574\u884c\u6578\u64da\u5b58\u5132\u5728\u4e00\u8d77\uff0c\u9019\u5728\u9032\u884c\u55ae\u884c\u67e5\u8a62\u6642\u6548\u7387\u8f03\u9ad8\uff0c\u4f46\u5728\u9032\u884c\u5927\u898f\u6a21\u6578\u64da\u5206\u6790\u6642\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u5217\u5f0f\u6578\u64da\u5eab\u5247\u5c07\u540c\u4e00\u5217\u7684\u6578\u64da\u5b58\u5132\u5728\u4e00\u8d77\uff0c\u9019\u6a23\u5728\u9032\u884c\u67e5\u8a62\u6642\uff0c\u53ea\u9700\u8b80\u53d6\u76f8\u95dc\u7684\u5217\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86I\/O\u64cd\u4f5c\uff0c\u63d0\u9ad8\u4e86\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2 id=\"oracle%e7%9a%84%e5%88%97%e5%bc%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e7%89%b9%e9%bb%9e-OIwLjjRhaE\">Oracle\u7684\u5217\u5f0f\u6578\u64da\u5eab\u7279\u9ede<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u58d3\u7e2e\uff1a<\/strong>\u5217\u5f0f\u6578\u64da\u5eab\u80fd\u5920\u5c0d\u540c\u4e00\u5217\u7684\u6578\u64da\u9032\u884c\u9ad8\u6548\u58d3\u7e2e\uff0c\u9019\u4e0d\u50c5\u7bc0\u7701\u4e86\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u63d0\u9ad8\u4e86\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u512a\u5316\u7684\u67e5\u8a62\u6027\u80fd\uff1a<\/strong>\u7531\u65bc\u53ea\u9700\u8b80\u53d6\u76f8\u95dc\u7684\u5217\uff0c\u67e5\u8a62\u901f\u5ea6\u986f\u8457\u63d0\u5347\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u805a\u5408\u67e5\u8a62\u548c\u5206\u6790\u67e5\u8a62\u6642\u3002<\/li>\n<li><strong>\u652f\u6301\u5927\u6578\u64da\u5206\u6790\uff1a<\/strong>Oracle\u7684\u5217\u5f0f\u6578\u64da\u5eab\u80fd\u5920\u8655\u7406PB\u7d1a\u5225\u7684\u5927\u6578\u64da\uff0c\u9069\u5408\u7528\u65bc\u5546\u696d\u667a\u80fd\u548c\u6578\u64da\u5009\u5eab\u7b49\u61c9\u7528\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%97%e5%bc%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-OIwLjjRhaE\">\u5217\u5f0f\u6578\u64da\u5eab\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u5217\u5f0f\u6578\u64da\u5eab\u7279\u5225\u9069\u5408\u4ee5\u4e0b\u5e7e\u7a2e\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5546\u696d\u667a\u80fd\uff08BI\uff09\uff1a<\/strong>\u5728\u5546\u696d\u667a\u80fd\u61c9\u7528\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5c0d\u5927\u91cf\u6578\u64da\u9032\u884c\u5feb\u901f\u67e5\u8a62\u548c\u5206\u6790\uff0c\u5217\u5f0f\u6578\u64da\u5eab\u80fd\u5920\u63d0\u4f9b\u5373\u6642\u7684\u67e5\u8a62\u7d50\u679c\u3002<\/li>\n<li><strong>\u6578\u64da\u5009\u5eab\uff1a <\/strong>\u6578\u64da\u5009\u5eab\u901a\u5e38\u9700\u8981\u5b58\u5132\u548c\u5206\u6790\u5927\u91cf\u7684\u6b77\u53f2\u6578\u64da\uff0c\u5217\u5f0f\u6578\u64da\u5eab\u7684\u9ad8\u6548\u5b58\u5132\u548c\u67e5\u8a62\u80fd\u529b\u4f7f\u5176\u6210\u70ba\u7406\u60f3\u9078\u64c7\u3002<\/li>\n<li><strong>\u5be6\u6642\u6578\u64da\u5206\u6790\uff1a<\/strong>\u96a8\u8457\u5be6\u6642\u6578\u64da\u5206\u6790\u9700\u6c42\u7684\u589e\u52a0\uff0c\u5217\u5f0f\u6578\u64da\u5eab\u80fd\u5920\u5feb\u901f\u8655\u7406\u6d41\u5f0f\u6578\u64da\uff0c\u63d0\u4f9b\u5373\u6642\u7684\u6d1e\u5bdf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-OIwLjjRhaE\">\u6280\u8853\u5be6\u73fe<\/h2>\n<p>Oracle\u7684\u5217\u5f0f\u6578\u64da\u5eab\u6280\u8853\u57fa\u65bc\u5176\u5f37\u5927\u7684\u6578\u64da\u8655\u7406\u5f15\u64ce\uff0c\u652f\u6301\u591a\u7a2e\u67e5\u8a62\u512a\u5316\u6280\u8853\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5229\u7528\u5217\u5f0f\u6578\u64da\u5eab\u9032\u884c\u9ad8\u6548\u67e5\u8a62\uff1a<\/p>\n<pre><code>\nSELECT AVG(salary) \nFROM employees \nWHERE department_id = 10;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u5217\u5f0f\u6578\u64da\u5eab\u53ea\u9700\u8b80\u53d6\u201csalary\u201d\u548c\u201cdepartment_id\u201d\u9019\u5169\u5217\u7684\u6578\u64da\uff0c\u5f9e\u800c\u5927\u5e45\u5ea6\u6e1b\u5c11\u4e86I\/O\u64cd\u4f5c\uff0c\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-OIwLjjRhaE\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u63a8\u51fa\u7684\u5217\u5f0f\u6578\u64da\u5eab\u70ba\u4f01\u696d\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9762\u5c0d\u5927\u6578\u64da\u548c\u5be6\u6642\u5206\u6790\u9700\u6c42\u6642\u3002\u901a\u904e\u512a\u5316\u7684\u6578\u64da\u5b58\u5132\u548c\u67e5\u8a62\u65b9\u5f0f\uff0c\u5217\u5f0f\u6578\u64da\u5eab\u4e0d\u50c5\u63d0\u5347\u4e86\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u964d\u4f4e\u4e86\u5b58\u5132\u6210\u672c\u3002\u96a8\u8457\u6578\u64da\u9a45\u52d5\u6c7a\u7b56\u7684\u666e\u53ca\uff0c\u5217\u5f0f\u6578\u64da\u5eab\u7684\u61c9\u7528\u5c07\u6703\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u548c\u5176\u4ed6\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle\u63a8\u51fa\u5217\u5f0f\u6578\u64da\u5eab\uff0c\u986f\u8457\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u52a9\u529b\u4f01\u696d\u5feb\u901f\u5206\u6790\u548c\u8655\u7406\u6d77\u91cf\u6578\u64da\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-96102","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96102","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=96102"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96102\/revisions"}],"predecessor-version":[{"id":96103,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96102\/revisions\/96103"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}