{"id":96164,"date":"2024-10-20T07:08:17","date_gmt":"2024-10-19T23:08:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96164\/"},"modified":"2024-10-20T07:08:18","modified_gmt":"2024-10-19T23:08:18","slug":"oracle%e8%99%9b%e6%93%ac%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e7%9a%84%e6%96%b9%e6%b3%95%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96164\/","title":{"rendered":"Oracle\u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u65b9\u6cd5\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"oracle%e8%99%9b%e6%93%ac%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e7%9a%84%e6%96%b9%e6%b3%95%e4%bb%8b%e7%b4%b9-UMlYjJPBEe\">Oracle\u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u65b9\u6cd5\u4ecb\u7d39<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u63a7\u5236\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle\u4f5c\u70ba\u4e00\u500b\u9818\u5148\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u4f01\u696d\u6709\u6548\u5730\u7ba1\u7406\u5176\u6578\u64da\u8cc7\u6e90\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u4e3b\u8981\u7684Oracle\u865b\u64ec\u6578\u64da\u63a7\u5236\u65b9\u6cd5\uff0c\u4e26\u63a2\u8a0e\u5176\u61c9\u7528\u5834\u666f\u53ca\u512a\u52e2\u3002<\/p>\n<h2 id=\"1-%e8%99%9b%e6%93%ac%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%a6%82%e5%bf%b5-UMlYjJPBEe\">1. \u865b\u64ec\u6578\u64da\u5eab\u7684\u6982\u5ff5<\/h2>\n<p>\u865b\u64ec\u6578\u64da\u5eab\u662f\u6307\u5728\u7269\u7406\u6578\u64da\u5eab\u4e4b\u4e0a\u5efa\u7acb\u7684\u4e00\u5c64\u62bd\u8c61\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u76f4\u63a5\u8a2a\u554f\u5e95\u5c64\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u9084\u80fd\u7c21\u5316\u6578\u64da\u7ba1\u7406\u7684\u8907\u96dc\u6027\u3002<\/p>\n<h2 id=\"2-oracle%e8%99%9b%e6%93%ac%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e7%9a%84%e6%96%b9%e6%b3%95-UMlYjJPBEe\">2. Oracle\u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"2-1-%e4%bd%bf%e7%94%a8oracle-virtual-private-database-vpd-UMlYjJPBEe\">2.1 \u4f7f\u7528Oracle Virtual Private Database (VPD)<\/h3>\n<p>Oracle\u7684\u865b\u64ec\u79c1\u6709\u6578\u64da\u5eab\uff08VPD\uff09\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5b89\u5168\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u6839\u64da\u5176\u8eab\u4efd\u548c\u89d2\u8272\u81ea\u52d5\u904e\u6ffe\u6578\u64da\u3002\u9019\u610f\u5473\u8457\u4e0d\u540c\u7684\u7528\u6236\u5728\u67e5\u8a62\u540c\u4e00\u6578\u64da\u8868\u6642\uff0c\u53ef\u80fd\u6703\u770b\u5230\u4e0d\u540c\u7684\u6578\u64da\u96c6\u3002<\/p>\n<pre><code>CREATE OR REPLACE FUNCTION my_vpd_function (p_schema IN VARCHAR2, p_object IN VARCHAR2)\nRETURN VARCHAR2 IS\nBEGIN\n    RETURN 'department_id = ' || USER_DEPARTMENT_ID;\nEND;\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5275\u5efa\u4e00\u500bVPD\u51fd\u6578\uff0c\u6839\u64da\u7528\u6236\u7684\u90e8\u9580ID\u904e\u6ffe\u6578\u64da\u3002\u9019\u6a23\uff0c\u53ea\u6709\u5c6c\u65bc\u7279\u5b9a\u90e8\u9580\u7684\u7528\u6236\u624d\u80fd\u67e5\u770b\u76f8\u95dc\u6578\u64da\u3002<\/p>\n<h3 id=\"2-2-%e4%bd%bf%e7%94%a8oracle-data-redaction-UMlYjJPBEe\">2.2 \u4f7f\u7528Oracle Data Redaction<\/h3>\n<p>\u6578\u64da\u906e\u853d\u662f\u4e00\u7a2e\u4fdd\u8b77\u654f\u611f\u6578\u64da\u7684\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u5728\u67e5\u8a62\u6642\u96b1\u85cf\u7279\u5b9a\u5b57\u6bb5\u7684\u5167\u5bb9\u3002\u9019\u5c0d\u65bc\u4fdd\u8b77\u500b\u4eba\u4fe1\u606f\u548c\u8ca1\u52d9\u6578\u64da\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<pre><code>BEGIN\n    DBMS_REDACT.ADD_POLICY(\n        object_schema =&gt; 'HR',\n        object_name =&gt; 'EMPLOYEES',\n        policy_name =&gt; 'redact_ssn',\n        column_name =&gt; 'social_security_number',\n        function_type =&gt; DBMS_REDACT.FULL,\n        expression =&gt; '1=1'\n    );\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u793e\u6703\u5b89\u5168\u865f\u78bc\u5b57\u6bb5\u5c07\u88ab\u5b8c\u5168\u906e\u853d\uff0c\u7121\u8ad6\u7528\u6236\u7684\u8eab\u4efd\u5982\u4f55\uff0c\u90fd\u7121\u6cd5\u67e5\u770b\u8a72\u4fe1\u606f\u3002<\/p>\n<h3 id=\"2-3-%e4%bd%bf%e7%94%a8oracle-partitioning-UMlYjJPBEe\">2.3 \u4f7f\u7528Oracle Partitioning<\/h3>\n<p>\u5206\u5340\u6280\u8853\u5141\u8a31\u7528\u6236\u5c07\u5927\u578b\u6578\u64da\u8868\u5283\u5206\u70ba\u66f4\u5c0f\u7684\u3001\u53ef\u7ba1\u7406\u7684\u90e8\u5206\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u80fd\u7c21\u5316\u6578\u64da\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u3002<\/p>\n<pre><code>CREATE TABLE sales (\n    sale_id NUMBER,\n    sale_date DATE,\n    amount NUMBER\n)\nPARTITION BY RANGE (sale_date) (\n    PARTITION p1 VALUES LESS THAN (TO_DATE('2023-01-01', 'YYYY-MM-DD')),\n    PARTITION p2 VALUES LESS THAN (TO_DATE('2024-01-01', 'YYYY-MM-DD'))\n);\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u6839\u64da\u92b7\u552e\u65e5\u671f\u5275\u5efa\u4e00\u500b\u5206\u5340\u8868\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u92b7\u552e\u6578\u64da\u3002<\/p>\n<h2 id=\"3-%e8%99%9b%e6%93%ac%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e7%9a%84%e5%84%aa%e5%8b%a2-UMlYjJPBEe\">3. \u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u901a\u904eVPD\u548c\u6578\u64da\u906e\u853d\u6280\u8853\uff0c\u4f01\u696d\u53ef\u4ee5\u6709\u6548\u4fdd\u8b77\u654f\u611f\u6578\u64da\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u5206\u5340\u6280\u8853\u80fd\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u865b\u64ec\u6578\u64da\u5eab\u5141\u8a31\u7528\u6236\u6839\u64da\u9700\u6c42\u9748\u6d3b\u8abf\u6574\u6578\u64da\u8a2a\u554f\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UMlYjJPBEe\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u65b9\u6cd5\u70ba\u4f01\u696d\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u5de5\u5177\uff0c\u5e6b\u52a9\u4ed6\u5011\u5728\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u7684\u540c\u6642\uff0c\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u865b\u64ec\u79c1\u6709\u6578\u64da\u5eab\u3001\u6578\u64da\u906e\u853d\u9084\u662f\u5206\u5340\u6280\u8853\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u6709\u6548\u5730\u6eff\u8db3\u73fe\u4ee3\u4f01\u696d\u5c0d\u6578\u64da\u7ba1\u7406\u7684\u9700\u6c42\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u865b\u64ec\u6578\u64da\u63a7\u5236\u7684\u65b9\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u4fdd\u8b77\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5b89\u5168\u6027\u8207\u9748\u6d3b\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-96164","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96164","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=96164"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96164\/revisions"}],"predecessor-version":[{"id":96165,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96164\/revisions\/96165"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}