{"id":96070,"date":"2024-10-20T06:21:18","date_gmt":"2024-10-19T22:21:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96070\/"},"modified":"2024-10-20T06:21:19","modified_gmt":"2024-10-19T22:21:19","slug":"oracle%e7%b4%a2%e5%bc%95%e8%81%9a%e7%b0%87%e8%a1%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%8a%a0%e8%bc%89%e7%9a%84%e5%af%a6%e6%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96070\/","title":{"rendered":"Oracle\u7d22\u5f15\u805a\u7c07\u8868\u7684\u6578\u64da\u52a0\u8f09\u7684\u5be6\u64cd"},"content":{"rendered":"<h1 id=\"oracle%e7%b4%a2%e5%bc%95%e8%81%9a%e7%b0%87%e8%a1%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%8a%a0%e8%bc%89%e7%9a%84%e5%af%a6%e6%93%8d-tnHryuegDG\">Oracle\u7d22\u5f15\u805a\u7c07\u8868\u7684\u6578\u64da\u52a0\u8f09\u7684\u5be6\u64cd<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u805a\u7c07\u8868\uff08Clustered Index Table\uff09\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7279\u5225\u662f\u5728Oracle\u6578\u64da\u5eab\u4e2d\u3002\u9019\u7a2e\u8868\u7684\u6578\u64da\u5b58\u5132\u65b9\u5f0f\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u6aa2\u7d22\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u7d22\u5f15\u805a\u7c07\u8868\u7684\u6578\u64da\u52a0\u8f09\u5be6\u64cd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%a2%e5%bc%95%e8%81%9a%e7%b0%87%e8%a1%a8%ef%bc%9f-tnHryuegDG\">\u4ec0\u9ebc\u662f\u7d22\u5f15\u805a\u7c07\u8868\uff1f<\/h2>\n<p>\u7d22\u5f15\u805a\u7c07\u8868\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u8868\u7d50\u69cb\uff0c\u5176\u4e2d\u6578\u64da\u884c\u7684\u7269\u7406\u5b58\u5132\u9806\u5e8f\u8207\u7d22\u5f15\u7684\u908f\u8f2f\u9806\u5e8f\u76f8\u540c\u3002\u9019\u610f\u5473\u8457\uff0c\u7576\u4f60\u6839\u64da\u7d22\u5f15\u9032\u884c\u67e5\u8a62\u6642\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u66f4\u5feb\u5730\u627e\u5230\u6240\u9700\u7684\u6578\u64da\uff0c\u56e0\u70ba\u5b83\u5011\u5728\u78c1\u789f\u4e0a\u7684\u4f4d\u7f6e\u662f\u9023\u7e8c\u7684\u3002\u9019\u7a2e\u7d50\u69cb\u7279\u5225\u9069\u5408\u65bc\u7bc4\u570d\u67e5\u8a62\u548c\u6392\u5e8f\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e8%81%9a%e7%b0%87%e8%a1%a8%ef%bc%9f-tnHryuegDG\">\u70ba\u4ec0\u9ebc\u4f7f\u7528\u7d22\u5f15\u805a\u7c07\u8868\uff1f<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a<\/strong>\u7531\u65bc\u6578\u64da\u884c\u7684\u7269\u7406\u9806\u5e8f\u8207\u7d22\u5f15\u4e00\u81f4\uff0c\u67e5\u8a62\u6642\u7684I\/O\u64cd\u4f5c\u6e1b\u5c11\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u7bc0\u7701\u7a7a\u9593\uff1a<\/strong>\u805a\u7c07\u8868\u901a\u5e38\u6bd4\u975e\u805a\u7c07\u8868\u4f54\u7528\u66f4\u5c11\u7684\u78c1\u789f\u7a7a\u9593\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u7684\u5197\u9918\u3002<\/li>\n<li><strong>\u9069\u5408\u7bc4\u570d\u67e5\u8a62\uff1a<\/strong>\u5c0d\u65bc\u9700\u8981\u9032\u884c\u7bc4\u570d\u67e5\u8a62\u7684\u61c9\u7528\uff0c\u805a\u7c07\u8868\u80fd\u5920\u63d0\u4f9b\u66f4\u5feb\u7684\u97ff\u61c9\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%8a%a0%e8%bc%89%e7%9a%84%e6%ad%a5%e9%a9%9f-tnHryuegDG\">\u6578\u64da\u52a0\u8f09\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728Oracle\u4e2d\u52a0\u8f09\u6578\u64da\u5230\u7d22\u5f15\u805a\u7c07\u8868\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%81%9a%e7%b0%87%e8%a1%a8-tnHryuegDG\">1. \u5275\u5efa\u805a\u7c07\u8868<\/h3>\n<pre><code>CREATE TABLE employees (\n    employee_id NUMBER PRIMARY KEY,\n    first_name VARCHAR2(50),\n    last_name VARCHAR2(50),\n    department_id NUMBER\n) ORGANIZATION INDEX;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cemployees\u201d\u7684\u805a\u7c07\u8868\uff0c\u4e26\u5c07\u201cemployee_id\u201d\u8a2d\u7f6e\u70ba\u4e3b\u9375\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-tnHryuegDG\">2. \u5275\u5efa\u7d22\u5f15<\/h3>\n<pre><code>CREATE INDEX idx_department ON employees(department_id);<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u70ba\u201cdepartment_id\u201d\u5b57\u6bb5\u5275\u5efa\u4e86\u4e00\u500b\u7d22\u5f15\uff0c\u4ee5\u4fbf\u80fd\u5920\u5feb\u901f\u67e5\u8a62\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e5%8a%a0%e8%bc%89-tnHryuegDG\">3. \u6578\u64da\u52a0\u8f09<\/h3>\n<p>\u6578\u64da\u52a0\u8f09\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\uff0c\u4f8b\u5982\u4f7f\u7528INSERT\u8a9e\u53e5\u6216SQL*Loader\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528INSERT\u8a9e\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO employees (employee_id, first_name, last_name, department_id) VALUES (1, 'John', 'Doe', 10);\nINSERT INTO employees (employee_id, first_name, last_name, department_id) VALUES (2, 'Jane', 'Smith', 20);<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u6279\u91cf\u52a0\u8f09\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528SQL*Loader\u5de5\u5177\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u52a0\u8f09\u6548\u7387\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-tnHryuegDG\">4. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u6578\u64da\u52a0\u8f09\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u67e5\u8a62\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM employees WHERE department_id = 10;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u6703\u975e\u5e38\u5feb\u901f\uff0c\u56e0\u70ba\u6578\u64da\u662f\u6309\u7167\u7d22\u5f15\u805a\u7c07\u7684\u65b9\u5f0f\u5b58\u5132\u7684\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-tnHryuegDG\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u8a2d\u8a08\u805a\u7c07\u8868\u6642\uff0c\u61c9\u8003\u616e\u5230\u6578\u64da\u7684\u589e\u9577\u548c\u67e5\u8a62\u6a21\u5f0f\uff0c\u4ee5\u78ba\u4fdd\u6027\u80fd\u4e0d\u6703\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\u800c\u4e0b\u964d\u3002<\/li>\n<li>\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7684\u7dad\u8b77\uff0c\u4f8b\u5982\u91cd\u5efa\u7d22\u5f15\uff0c\u4ee5\u4fdd\u6301\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u898f\u6a21\u6578\u64da\u52a0\u8f09\u6642\uff0c\u8003\u616e\u4f7f\u7528\u4e26\u884c\u8655\u7406\u4f86\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tnHryuegDG\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u7d22\u5f15\u805a\u7c07\u8868\u7684\u6578\u64da\u52a0\u8f09\u662f\u4e00\u500b\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u65bd\uff0c\u60a8\u53ef\u4ee5\u5145\u5206\u5229\u7528\u805a\u7c07\u8868\u7684\u512a\u52e2\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u3002\u5982\u679c\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u7684\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u7d22\u5f15\u805a\u7c07\u8868\u7684\u6578\u64da\u52a0\u8f09\u5be6\u64cd\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\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-96070","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96070","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=96070"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96070\/revisions"}],"predecessor-version":[{"id":96071,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96070\/revisions\/96071"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}