{"id":2174,"date":"2025-12-03T16:59:47","date_gmt":"2025-12-03T08:59:47","guid":{"rendered":"http:\/\/www.821121.com\/?p=2174"},"modified":"2026-05-11T17:14:52","modified_gmt":"2026-05-11T09:14:52","slug":"23ai-%e6%96%b0%e7%89%b9%e6%80%a7%e4%b9%8b%e6%95%b0%e6%8d%ae%e8%84%b1%e6%95%8f%e5%a2%9e%e5%bc%ba","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=2174","title":{"rendered":"23ai \u65b0\u7279\u6027\u4e4b\u6570\u636e\u8131\u654f\u589e\u5f3a"},"content":{"rendered":"<p>\u5728\u91d1\u878d\u3001\u653f\u52a1\u3001\u533b\u7597\u7b49\u884c\u4e1a\uff0c\u654f\u611f\u6570\u636e\uff08\u624b\u673a\u53f7\u3001\u8eab\u4efd\u8bc1\u3001\u94f6\u884c\u5361\u3001\u5ba2\u6237\u5730\u5740\uff09\u7684\u5408\u89c4\u6cbb\u7406\u5df2\u6210\u4e3a\u521a\u9700\u3002Oracle \u4ece 12c \u5f00\u59cb\u63d0\u4f9bData Redaction\uff08\u6570\u636e\u8131\u654f \/ \u52a8\u6001\u906e\u853d\uff09\uff0c\u80fd\u5728\u4e0d\u6539\u52a8\u539f\u59cb\u6570\u636e\u7684\u524d\u63d0\u4e0b\uff0c\u5bf9\u67e5\u8be2\u7ed3\u679c\u505a\u52a8\u6001\u63a9\u7801\uff0c\u5b9e\u73b0 \u201c\u6570\u636e\u53ef\u7528\u4e0d\u53ef\u89c1\u201d\u3002<br \/>\n\u4f46\u5728 23ai \u4e4b\u524d\uff0c\u8131\u654f\u6709\u660e\u663e\u77ed\u677f\uff1a\u4e0d\u652f\u6301\u590d\u6742 SQL\uff0c\u5206\u7ec4\u3001\u6392\u5e8f\u3001\u805a\u5408\u3001\u5173\u8054\u67e5\u8be2\u4e00\u78b0\u5c31\u62a5\u9519\u6216\u65e0\u6cd5\u8131\u654f\uff0c\u4e25\u91cd\u9650\u5236\u5728\u62a5\u8868\u3001BI\u3001\u6570\u636e\u5206\u6790\u573a\u666f\u7684\u843d\u5730\u3002<br \/>\nOracle 23ai\uff0823.6\uff09\u5bf9\u6570\u636e\u8131\u654f\u505a\u4e86\u67b6\u6784\u7ea7\u589e\u5f3a\uff1a\u8131\u654f\u4ece\u201c\u4f5c\u7528\u4e8e\u5217\u201d \u5347\u7ea7\u4e3a \u201c\u4f5c\u7528\u4e8e\u7ed3\u679c\u96c6\u201d\uff0c\u5168\u9762\u517c\u5bb9\u590d\u6742 SQL\uff0c\u771f\u6b63\u505a\u5230\u4e1a\u52a1\u900f\u660e\u3001\u5b89\u5168\u7edf\u4e00\u3001\u6027\u80fd\u53ef\u63a7.<br \/>\n23ai \u628a\u8131\u654f\u903b\u8f91\u4e0b\u6c89\u5230 SQL \u6267\u884c\u7ed3\u679c\u96c6\u9636\u6bb5\uff1a<br \/>\n\u539f\u59cb\u6570\u636e\u4e0d\u53d8\uff0c\u67e5\u8be2\u6309\u771f\u5b9e\u503c\u6267\u884c\uff08\u7d22\u5f15\u3001\u7edf\u8ba1\u3001\u4f18\u5316\u5668\u884c\u4e3a\u4e0d\u53d8\uff09\u7ed3\u679c\u8fd4\u56de\u524d\uff0c\u5bf9\u6807\u8bb0\u4e3a\u654f\u611f\u7684\u5217\u7edf\u4e00\u8131\u654f\u6240\u6709 SQL \u7ed3\u6784\uff0c\u5e95\u5c42\u7528\u771f\u5b9e\u503c\uff0c\u5916\u5c42\u8fd4\u63a9\u7801\u503c.<\/p>\n<h4>1\uff09\u652f\u6301\u6392\u5e8f\u3001\u5206\u7ec4\u3001\u53bb\u91cd\uff08GROUP BY \/ ORDER BY \/ DISTINCT\uff09<\/h4>\n<pre><code class=\"language-sql\">-- \u624b\u673a\u53f7\u8131\u654f\uff1a138****1234\nEXEC DBMS_REDACT.ADD_POLICY(\n  object_schema =&gt; &#039;HR&#039;,\n  object_name   =&gt; &#039;EMP&#039;,\n  column_name   =&gt; &#039;PHONE&#039;,\n  policy_name   =&gt; &#039;REDACT_PHONE&#039;,\n  function_type =&gt; DBMS_REDACT.FULL,\n  expression     =&gt; &#039;1=1&#039;\n);\n\n-- 23ai \u53ef\u6b63\u5e38\u6267\u884c\uff1a\u6309\u8131\u654f\u5217\u5206\u7ec4\u3001\u6392\u5e8f\nSELECT DEPT_ID, PHONE, COUNT(*)\nFROM HR.EMP\nGROUP BY DEPT_ID, PHONE\nORDER BY PHONE;\n\u5206\u7ec4 \/ \u6392\u5e8f\uff1a\u5e95\u5c42\u7528\u771f\u5b9e PHONE\uff0c\u8fd4\u56de\u7ed9\u7528\u6237\u7684\u662f\u63a9\u7801\u503c\u3002<\/code><\/pre>\n<h4>2\uff09\u652f\u6301\u805a\u5408\u51fd\u6570\uff08SUM\/COUNT\/MIN\/MAX\uff09<\/h4>\n<pre><code class=\"language-sql\">SELECT DEPT_ID, SUM(SALARY), AVG(SALARY)\nFROM HR.EMP\nGROUP BY DEPT_ID;<\/code><\/pre>\n<p>\u805a\u5408\u8ba1\u7b97\u7528\u771f\u5b9e\u503c\uff0c\u7ed3\u679c\u96c6\u4e2d SALARY \u6309\u7b56\u7565\u8131\u654f\u3002<\/p>\n<h4>3\uff09\u652f\u6301\u96c6\u5408\u8fd0\u7b97\uff08UNION\/INTERSECT\/MINUS\uff09<\/h4>\n<pre><code class=\"language-sql\">SELECT EMP_ID, PHONE FROM HR.EMP\nUNION\nSELECT EMP_ID, PHONE FROM HR.EMP_HIS;<\/code><\/pre>\n<p>\u591a\u8868\u5408\u5e76\u540e\uff0c\u654f\u611f\u5217\u7edf\u4e00\u8131\u654f\uff0c\u4e0d\u518d\u51fa\u73b0 \u201c\u90e8\u5206\u660e\u6587\u3001\u90e8\u5206\u63a9\u7801\u201d\u3002<\/p>\n<h4>4\uff09\u652f\u6301\u89c6\u56fe\u3001\u8868\u8fbe\u5f0f\u3001WITH \u5b50\u67e5\u8be2<\/h4>\n<pre><code class=\"language-sql\">CREATE OR REPLACE VIEW HR.EMP_V AS\nSELECT EMP_ID, CONCAT(&#039;TEL:&#039;, PHONE) PHONE_TEL\nFROM HR.EMP;\n\nSELECT * FROM HR.EMP_V;<\/code><\/pre>\n<p>\u89c6\u56fe\u91cc\u7684\u8868\u8fbe\u5f0f\u5217\uff08\u542b\u8131\u654f\u5217\uff09\u81ea\u52a8\u7ee7\u627f\u8131\u654f\u7b56\u7565\u3002<\/p>\n<h4>5\uff09\u652f\u6301\u51fd\u6570\u7d22\u5f15\u4e0e\u6269\u5c55\u7edf\u8ba1<\/h4>\n<pre><code class=\"language-sql\">-- 23ai \u53ef\u5728\u8131\u654f\u5217\u4e0a\u5efa\u51fd\u6570\u7d22\u5f15\u3001\u6536\u96c6\u7edf\u8ba1\nCREATE INDEX IDX_EMP_PHONE ON HR.EMP(SUBSTR(PHONE,1,7));\nEXEC DBMS_STATS.GATHER_TABLE_STATS(&#039;HR&#039;,&#039;EMP&#039;);<\/code><\/pre>\n<p>\u4f18\u5316\u5668\u6210\u672c\u4f30\u7b97\u6b63\u5e38\uff0c\u8131\u654f\u4e0d\u5f71\u54cd\u6267\u884c\u8ba1\u5212\u4e0e\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u91d1\u878d\u3001\u653f\u52a1\u3001\u533b\u7597\u7b49\u884c\u4e1a\uff0c\u654f\u611f\u6570\u636e\uff08\u624b\u673a\u53f7\u3001\u8eab\u4efd\u8bc1<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57,58],"tags":[],"class_list":["post-2174","post","type-post","status-publish","format-standard","hentry","category-oracle-23ai","category--oracle-23c"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/2174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2174"}],"version-history":[{"count":3,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/2174\/revisions"}],"predecessor-version":[{"id":2177,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/2174\/revisions\/2177"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2174"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}