{"id":96124,"date":"2024-10-20T06:48:19","date_gmt":"2024-10-19T22:48:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96124\/"},"modified":"2024-10-20T06:48:19","modified_gmt":"2024-10-19T22:48:19","slug":"oracle%e7%b4%b0%e7%b2%92%e5%ba%a6%e8%a8%aa%e5%95%8f%e6%8e%a7%e5%88%b6%e7%9a%84%e5%af%a6%e4%be%8b%e6%bc%94%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96124\/","title":{"rendered":"Oracle\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u7684\u5be6\u4f8b\u6f14\u793a"},"content":{"rendered":"

Oracle\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u7684\u5be6\u4f8b\u6f14\u793a<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5b89\u5168\u6027\u548c\u8a2a\u554f\u63a7\u5236\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u4e00\u7a2e\u540d\u70ba\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\uff08Fine-Grained Access Control, FGAC\uff09\u7684\u529f\u80fd\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u4f86\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u7684\u6982\u5ff5\uff0c\u4e26\u901a\u904e\u5be6\u4f8b\u6f14\u793a\u5176\u61c9\u7528\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\uff1f<\/h2>\n

\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u662f\u4e00\u7a2e\u5b89\u5168\u6a5f\u5236\uff0c\u5141\u8a31\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u6839\u64da\u7528\u6236\u7684\u89d2\u8272\u3001\u5c6c\u6027\u6216\u4e0a\u4e0b\u6587\u4f86\u9650\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u3002\u9019\u7a2e\u63a7\u5236\u65b9\u5f0f\u6bd4\u50b3\u7d71\u7684\u57fa\u65bc\u89d2\u8272\u7684\u8a2a\u554f\u63a7\u5236\uff08RBAC\uff09\u66f4\u70ba\u9748\u6d3b\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u4f86\u8a2d\u7f6e\u8a2a\u554f\u898f\u5247\u3002<\/p>\n

\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

Oracle\u7684\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u4e3b\u8981\u901a\u904e\u4f7f\u7528\u5b89\u5168\u7b56\u7565\u4f86\u5be6\u73fe\u3002\u9019\u4e9b\u5b89\u5168\u7b56\u7565\u53ef\u4ee5\u6839\u64da\u7528\u6236\u7684\u8eab\u4efd\u3001\u6642\u9593\u3001\u5730\u9ede\u7b49\u591a\u7a2e\u56e0\u7d20\u4f86\u6c7a\u5b9a\u7528\u6236\u662f\u5426\u6709\u6b0a\u8a2a\u554f\u7279\u5b9a\u6578\u64da\u3002\u9019\u4e9b\u7b56\u7565\u901a\u5e38\u662f\u901a\u904e\u5275\u5efa\u4e00\u500b\u6216\u591a\u500b\u5b89\u5168\u7b56\u7565\u51fd\u6578\u4f86\u5be6\u73fe\u7684\uff0c\u9019\u4e9b\u51fd\u6578\u6703\u5728\u67e5\u8a62\u57f7\u884c\u6642\u88ab\u8abf\u7528\u3002<\/p>\n

\u5be6\u4f8b\u6f14\u793a<\/h3>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5be6\u73fe\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u3002<\/p>\n

\u6b65\u9a5f1\uff1a\u5275\u5efa\u793a\u4f8b\u8868<\/h4>\n
CREATE TABLE employees (\n    employee_id NUMBER PRIMARY KEY,\n    name VARCHAR2(100),\n    department VARCHAR2(100),\n    salary NUMBER\n);\n<\/code><\/pre>\n
\u6b65\u9a5f2\uff1a\u63d2\u5165\u6578\u64da<\/h4>\n
INSERT INTO employees (employee_id, name, department, salary) VALUES (1, 'Alice', 'HR', 60000);\nINSERT INTO employees (employee_id, name, department, salary) VALUES (2, 'Bob', 'IT', 70000);\nINSERT INTO employees (employee_id, name, department, salary) VALUES (3, 'Charlie', 'Finance', 80000);\n<\/code><\/pre>\n
\u6b65\u9a5f3\uff1a\u5275\u5efa\u5b89\u5168\u7b56\u7565\u51fd\u6578<\/h4>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u5b89\u5168\u7b56\u7565\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u5c07\u6839\u64da\u7528\u6236\u7684\u90e8\u9580\u4f86\u9650\u5236\u8a2a\u554f\u3002<\/p>\n
CREATE OR REPLACE FUNCTION department_access_policy (schema_name IN VARCHAR2, object_name IN VARCHAR2)\nRETURN VARCHAR2 IS\nBEGIN\n    RETURN 'department = USER'; -- \u53ea\u5141\u8a31\u7528\u6236\u8a2a\u554f\u5176\u6240\u5728\u90e8\u9580\u7684\u6578\u64da\nEND;\n<\/code><\/pre>\n
\u6b65\u9a5f4\uff1a\u61c9\u7528\u5b89\u5168\u7b56\u7565<\/h4>\n
\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u9019\u500b\u5b89\u5168\u7b56\u7565\u61c9\u7528\u5230employees\u8868\u4e0a\u3002<\/p>\n
BEGIN\n    DBMS_RLS.ADD_POLICY(\n        object_schema => 'YOUR_SCHEMA',\n        object_name => 'employees',\n        policy_name => 'department_policy',\n        function_schema => 'YOUR_SCHEMA',\n        policy_function => 'department_access_policy',\n        statement_types => 'SELECT',\n        update_check => FALSE\n    );\nEND;\n<\/code><\/pre>\n
\u6b65\u9a5f5\uff1a\u6e2c\u8a66\u5b89\u5168\u7b56\u7565<\/h4>\n
\u6700\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u6e2c\u8a66\u9019\u500b\u5b89\u5168\u7b56\u7565\u3002\u5047\u8a2d\u7528\u6236Alice\u5c6c\u65bcHR\u90e8\u9580\uff0c\u7576\u5979\u57f7\u884c\u4ee5\u4e0b\u67e5\u8a62\u6642\uff1a<\/p>\n
SELECT * FROM employees;\n<\/code><\/pre>\n
\u5979\u5c07\u53ea\u80fd\u770b\u5230HR\u90e8\u9580\u7684\u6578\u64da\uff0c\u800c\u7121\u6cd5\u8a2a\u554fIT\u6216Finance\u90e8\u9580\u7684\u6578\u64da\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Oracle\u7684\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u5f37\u5927\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u6578\u64da\u8a2a\u554f\u3002\u901a\u904e\u6839\u64da\u7528\u6236\u7684\u5c6c\u6027\u548c\u4e0a\u4e0b\u6587\u4f86\u8a2d\u7f6e\u8a2a\u554f\u898f\u5247\uff0c\u4f01\u696d\u80fd\u5920\u66f4\u597d\u5730\u4fdd\u8b77\u5176\u654f\u611f\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u5b89\u5168\u6027\uff0c\u9084\u80fd\u6eff\u8db3\u5408\u898f\u6027\u8981\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u74b0\u5883\u4e2d\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc \u9999\u6e2fVPS<\/a> \u548c \u96f2\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle\u7d30\u7c92\u5ea6\u8a2a\u554f\u63a7\u5236\u7684\u5be6\u4f8b\u6f14\u793a\uff0c\u4e86\u89e3\u5982\u4f55\u7cbe\u78ba\u7ba1\u7406\u6578\u64da\u8a2a\u554f\u6b0a\u9650\uff0c\u63d0\u5347\u5b89\u5168\u6027\u8207\u5408\u898f\u6027\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-96124","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96124","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=96124"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96124\/revisions"}],"predecessor-version":[{"id":96125,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96124\/revisions\/96125"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}