{"id":199829,"date":"2025-05-06T09:09:16","date_gmt":"2025-05-06T01:09:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199829\/"},"modified":"2025-05-06T09:09:16","modified_gmt":"2025-05-06T01:09:16","slug":"oracle%e7%89%88%e6%9c%ac%e5%8e%86%e5%8f%b2%ef%bc%9a%e8%bf%bd%e6%ba%aforacle%e7%89%88%e6%9c%ac%e6%bc%94%e8%bf%9b%ef%bc%8c%e6%8a%8a%e6%8f%a1%e6%9c%80%e6%96%b0%e8%b6%8b%e5%8a%bf%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199829\/","title":{"rendered":"Oracle\u7248\u672c\u5386\u53f2\uff1a\u8ffd\u6eafOracle\u7248\u672c\u6f14\u8fdb\uff0c\u628a\u63e1\u6700\u65b0\u8d8b\u52bf\uff01"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Oracle\u7248\u672c\u5386\u53f2\uff1a\u8ffd\u6eafOracle\u7248\u672c\u6f14\u8fdb\uff0c\u628a\u63e1\u6700\u65b0\u8d8b\u52bf\uff01<\/h1>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p>Oracle\u7248\u672c\u6f14\u53d8\u53f2\uff1a\u8ddf\u968fOracle\u7248\u672c\u53d1\u5c55\u8109\u7edc\uff0c\u638c\u63e1\u6700\u65b0\u52a8\u5411\uff01<\/p>\n<p>Oracle\u6570\u636e\u5e93\u662f\u4e16\u754c\u9886\u5148\u7684\u4f01\u4e1a\u7ea7\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u7ecf\u5386\u4e86\u6570\u5341\u5e74\u7684\u53d1\u5c55\u4e0e\u6f14\u53d8\uff0c\u4e0d\u65ad\u63a8\u51fa\u65b0\u7684\u7248\u672c\u4ee5\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u9700\u6c42\u548c\u6280\u672f\u8d8b\u52bf\u3002\u672c\u6587\u5c06\u5e26\u60a8\u56de\u987eOracle\u6570\u636e\u5e93\u7248\u672c\u7684\u6f14\u53d8\u53f2\uff0c\u5e26\u60a8\u638c\u63e1\u6700\u65b0\u7684\u6280\u672f\u52a8\u5411\u3002<\/p>\n<ol>\n<li>Oracle 7<\/li>\n<\/ol>\n<p>Oracle 7\u4e8e1992\u5e74\u53d1\u5e03\uff0c\u5f15\u5165\u4e86\u8bb8\u591a\u91cd\u8981\u7684\u65b0\u529f\u80fd\uff0c\u5982PL\/SQL\u5b58\u50a8\u8fc7\u7a0b\u3001\u89e6\u53d1\u5668\u3001\u6e38\u6807\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684PL\/SQL\u5b58\u50a8\u8fc7\u7a0b\u793a\u4f8b\uff1a<\/p>\n<pre>CREATE OR REPLACE PROCEDURE get_employee_name (employee_id IN INTEGER) AS\n  employee_name VARCHAR2(50);\nBEGIN\n  SELECT first_name INTO employee_name\n  FROM employees\n  WHERE employee_id = employee_id;\n  DBMS_OUTPUT.PUT_LINE('Employee name: ' || employee_name);\nEND;\n\/<\/pre>\n<ol>\n<li>Oracle 9i<\/li>\n<\/ol>\n<p>Oracle 9i\u53d1\u5e03\u4e8e2001\u5e74\uff0c\u5f15\u5165\u4e86\u81ea\u52a8\u5783\u573e\u6536\u96c6\u7b49\u65b0\u529f\u80fd\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u6570\u636e\u5e93\u6027\u80fd\u548c\u53ef\u7ba1\u7406\u6027\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u81ea\u52a8\u5783\u573e\u6536\u96c6\u4f5c\u4e1a\uff1a<\/p>\n<pre>BEGIN\n  DBMS_SCHEDULER.CREATE_JOB(\n    job_name        =&gt; 'PURGE_LOGS_JOB',\n    job_type        =&gt; 'PLSQL_BLOCK',\n    job_action      =&gt; 'BEGIN\n                         DBMS_STATS.PURGE_LOG;\n                       END;',\n    start_date      =&gt; SYSTIMESTAMP,\n    repeat_interval =&gt; 'FREQ=DAILY;BYHOUR=2;BYMINUTE=0;BYSECOND=0',\n    end_date        =&gt; NULL,\n    enabled         =&gt; TRUE\n  );\nEND;\n\/<\/pre>\n<ol>\n<li>Oracle 12c<\/li>\n<\/ol>\n<p>Oracle 12c\u53d1\u5e03\u4e8e2013\u5e74\uff0c\u5f15\u5165\u4e86\u8bb8\u591a\u521b\u65b0\u7684\u529f\u80fd\uff0c\u5982\u591a\u79df\u6237\u67b6\u6784\u3001\u6570\u636e\u7ea2\u9ed1\u6811\u7d22\u5f15\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u6570\u636e\u7ea2\u9ed1\u6811\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>CREATE INDEX idx_employee_age\nON employees (age)\nTABLESPACE users\nVISIBLE\nLOCAL\nINDEX ORGANIZATION IS RTREE;<\/pre>\n<ol>\n<li>Oracle 19c<\/li>\n<\/ol>\n<p>Oracle 19c\u662f\u76ee\u524d\u6700\u65b0\u7684Oracle\u6570\u636e\u5e93\u7248\u672c\uff0c\u4e8e2019\u5e74\u53d1\u5e03\u3002\u5b83\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u529f\u80fd\uff0c\u5982\u81ea\u52a8\u7d22\u5f15\u8c03\u6574\u3001\u81ea\u52a8\u6570\u636e\u4f18\u5316\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u81ea\u52a8\u7d22\u5f15\u8c03\u6574\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>ALTER SESSION SET OPTIMIZER_ADAPTIVE_PLANS = TRUE;<\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u6f14\u53d8\u53f2\u7684\u6848\u4f8b\uff0c\u53ef\u4ee5\u770b\u5230Oracle\u6570\u636e\u5e93\u4e0d\u65ad\u5728\u6280\u672f\u4e0a\u521b\u65b0\u8fdb\u6b65\uff0c\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u6570\u636e\u5e93\u7ba1\u7406\u548c\u5e94\u7528\u652f\u6301\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cOracle\u6570\u636e\u5e93\u5c06\u7ee7\u7eed\u66f4\u65b0\u7248\u672c\uff0c\u6ee1\u8db3\u7528\u6237\u4e0d\u65ad\u53d8\u5316\u7684\u9700\u6c42\u548c\u6311\u6218\u3002\u8ba9\u6211\u4eec\u5171\u540c\u8ddf\u968fOracle\u7248\u672c\u53d1\u5c55\u8109\u7edc\uff0c\u638c\u63e1\u6700\u65b0\u7684\u6280\u672f\u52a8\u5411\uff01<\/p>\n<p>\u6587\u4e2d\u5173\u4e8eOracle,\u7248\u672c,\u6f14\u53d8\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aOracle\u7248\u672c\u5386\u53f2\uff1a\u8ffd\u6eafOracle\u7248\u672c\u6f14\u8fdb\uff0c\u628a\u63e1\u6700\u65b0\u8d8b\u52bf\uff01\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Oracle\u7248\u672c\u5386\u53f2\uff1a\u8ffd\u6eafOra&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199829","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199829","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199829"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199829\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}