{"id":183014,"date":"2024-11-10T01:13:21","date_gmt":"2024-11-09T17:13:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183014\/"},"modified":"2024-11-10T01:13:22","modified_gmt":"2024-11-09T17:13:22","slug":"%e5%af%a6%e7%8f%beoracle%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183014\/","title":{"rendered":"\u5be6\u73feOracle\u7d81\u5b9a\u8b8a\u91cf\u7684\u6b65\u9a5f"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e7%8f%beoracle%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e6%ad%a5%e9%a9%9f-BEpLALUMCT\">\u5be6\u73feOracle\u7d81\u5b9a\u8b8a\u91cf\u7684\u6b65\u9a5f<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u7d81\u5b9a\u8b8a\u91cf\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6280\u8853\uff0c\u7528\u65bc\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u901a\u904e\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u907f\u514dSQL\u6ce8\u5165\u653b\u64ca\uff0c\u4e26\u4e14\u80fd\u5920\u91cd\u8907\u4f7f\u7528\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u4e2d\u5be6\u73fe\u7d81\u5b9a\u8b8a\u91cf\u7684\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%ef%bc%9f-BEpLALUMCT\">\u4ec0\u9ebc\u662f\u7d81\u5b9a\u8b8a\u91cf\uff1f<\/h2>\n<p>\u7d81\u5b9a\u8b8a\u91cf\u662f\u6307\u5728SQL\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u4f54\u4f4d\u7b26\uff0c\u9019\u4e9b\u4f54\u4f4d\u7b26\u5728\u57f7\u884c\u67e5\u8a62\u6642\u88ab\u5177\u9ad4\u7684\u503c\u6240\u66ff\u4ee3\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u7684\u5b89\u5168\u6027\uff0c\u9084\u80fd\u5920\u6e1b\u5c11\u89e3\u6790\u6642\u9593\uff0c\u56e0\u70baOracle\u53ef\u4ee5\u91cd\u7528\u5df2\u7d93\u7de8\u8b6f\u7684\u57f7\u884c\u8a08\u5283\u3002<\/p>\n<h2 id=\"%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e5%84%aa%e5%8b%a2-BEpLALUMCT\">\u7d81\u5b9a\u8b8a\u91cf\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u91cd\u7528\u57f7\u884c\u8a08\u5283\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u7684\u89e3\u6790\u6642\u9593\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u67e5\u8a62\u8a9e\u53e5\u66f4\u6e05\u6670\uff0c\u6613\u65bc\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e6%ad%a5%e9%a9%9f-BEpLALUMCT\">\u5be6\u73fe\u7d81\u5b9a\u8b8a\u91cf\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%ba%96%e5%82%99sql%e6%9f%a5%e8%a9%a2-BEpLALUMCT\">\u6b65\u9a5f\u4e00\uff1a\u6e96\u5099SQL\u67e5\u8a62<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6e96\u5099\u4e00\u500b\u5305\u542b\u7d81\u5b9a\u8b8a\u91cf\u7684SQL\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u8981\u67e5\u8a62\u4e00\u500b\u540d\u70ba\u201cemployees\u201d\u7684\u8868\uff0c\u4e26\u6839\u64da\u201cdepartment_id\u201d\u9032\u884c\u904e\u6ffe\uff1a<\/p>\n<pre><code>SELECT * FROM employees WHERE department_id = :dept_id;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c`:dept_id`\u5c31\u662f\u4e00\u500b\u7d81\u5b9a\u8b8a\u91cf\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8pl-sql%e5%a1%8a%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-BEpLALUMCT\">\u6b65\u9a5f\u4e8c\uff1a\u4f7f\u7528PL\/SQL\u584a\u57f7\u884c\u67e5\u8a62<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528PL\/SQL\u584a\u4f86\u57f7\u884c\u9019\u500b\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE\n    v_dept_id NUMBER := 10; -- \u8a2d\u5b9a\u7d81\u5b9a\u8b8a\u91cf\u7684\u503c\nBEGIN\n    FOR rec IN (SELECT * FROM employees WHERE department_id = v_dept_id) LOOP\n        DBMS_OUTPUT.PUT_LINE('Employee Name: ' || rec.first_name || ' ' || rec.last_name);\n    END LOOP;\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07`v_dept_id`\u8b8a\u91cf\u7684\u503c\u8a2d\u7f6e\u70ba10\uff0c\u7136\u5f8c\u67e5\u8a62\u6240\u6709\u5c6c\u65bc\u8a72\u90e8\u9580\u7684\u54e1\u5de5\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8oracle%e5%ae%a2%e6%88%b6%e7%ab%af%e5%b7%a5%e5%85%b7-BEpLALUMCT\">\u6b65\u9a5f\u4e09\uff1a\u4f7f\u7528Oracle\u5ba2\u6236\u7aef\u5de5\u5177<\/h3>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fOracle SQL Developer\u6216\u5176\u4ed6\u5ba2\u6236\u7aef\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728SQL Developer\u4e2d\u57f7\u884c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>VARIABLE dept_id NUMBER;\nEXEC :dept_id := 20; -- \u8a2d\u5b9a\u7d81\u5b9a\u8b8a\u91cf\u7684\u503c\nSELECT * FROM employees WHERE department_id = :dept_id;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u6211\u5011\u4f7f\u7528`VARIABLE`\u547d\u4ee4\u4f86\u5b9a\u7fa9\u7d81\u5b9a\u8b8a\u91cf\uff0c\u7136\u5f8c\u4f7f\u7528`EXEC`\u547d\u4ee4\u4f86\u8a2d\u7f6e\u5176\u503c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-BEpLALUMCT\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u5728\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u6642\uff0c\u8b8a\u91cf\u7684\u6578\u64da\u985e\u578b\u8207\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u7684\u6578\u64da\u985e\u578b\u76f8\u5339\u914d\u3002<\/li>\n<li>\u5728\u4f7f\u7528PL\/SQL\u6642\uff0c\u7d81\u5b9a\u8b8a\u91cf\u7684\u4f5c\u7528\u57df\u50c5\u9650\u65bcPL\/SQL\u584a\u5167\u3002<\/li>\n<li>\u5728\u5ba2\u6236\u7aef\u5de5\u5177\u4e2d\uff0c\u7d81\u5b9a\u8b8a\u91cf\u7684\u4f7f\u7528\u65b9\u5f0f\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\uff0c\u8acb\u53c3\u8003\u76f8\u61c9\u7684\u6587\u6a94\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BEpLALUMCT\">\u7e3d\u7d50<\/h2>\n<p>\u7d81\u5b9a\u8b8a\u91cf\u5728Oracle\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u901a\u904e\u672c\u6587\u4ecb\u7d39\u7684\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u7d81\u5b9a\u8b8a\u91cf\u7684\u4f7f\u7528\uff0c\u5f9e\u800c\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u696d\u52d9\u904b\u884c\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5be6\u73feOracle\u7d81\u5b9a\u8b8a\u91cf\u7684\u6b65\u9a5f\uff0c\u63d0\u5347SQL\u67e5\u8a62\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u6027\u80fd\u512a\u5316\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-183014","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183014","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=183014"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183014\/revisions"}],"predecessor-version":[{"id":183015,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183014\/revisions\/183015"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}