{"id":199770,"date":"2025-05-06T11:16:36","date_gmt":"2025-05-06T03:16:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199770\/"},"modified":"2025-05-06T11:16:36","modified_gmt":"2025-05-06T03:16:36","slug":"oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e7%89%88%e6%9c%ac%e5%8e%86%e5%8f%b2%ef%bc%9a%e4%bb%8eoracle-8%e5%88%b0oracle-19c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199770\/","title":{"rendered":"Oracle\u6570\u636e\u5e93\u7248\u672c\u5386\u53f2\uff1a\u4eceOracle 8\u5230Oracle 19c"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Oracle\u6570\u636e\u5e93\u7248\u672c\u5386\u53f2\uff1a\u4eceOracle 8\u5230Oracle 19c<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>Oracle\u6570\u636e\u5e93\u662f\u4e00\u6b3e\u4e16\u754c\u77e5\u540d\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\uff0c\u81ea20\u4e16\u7eaa80\u5e74\u4ee3\u8d77\u4fbf\u5f00\u59cb\u53d1\u5c55\uff0c\u81f3\u4eca\u5df2\u7ecf\u6709\u6570\u5341\u4e2a\u7248\u672c\u8fed\u4ee3\u3002\u672c\u6587\u5c06\u5bf9Oracle\u6570\u636e\u5e93\u7684\u7248\u672c\u6f14\u53d8\u53f2\u8fdb\u884c\u68b3\u7406\uff0c\u4eceOracle 8\u4e00\u76f4\u5ef6\u7eed\u81f3\u6700\u65b0\u7684Oracle 19c\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u6df1\u5165\u4e86\u89e3Oracle\u6570\u636e\u5e93\u5728\u6280\u672f\u6f14\u8fdb\u8fc7\u7a0b\u4e2d\u7684\u53d8\u5316\u548c\u63d0\u5347\u3002<\/p>\n<h2>Oracle 8<\/h2>\n<p>\u5728Oracle\u6570\u636e\u5e93\u7248\u672c\u6f14\u53d8\u53f2\u4e2d\uff0cOracle 8\u662f\u4e00\u4e2a\u91cc\u7a0b\u7891\u5f0f\u7684\u7248\u672c\u3002\u5b83\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u529f\u80fd\u548c\u7279\u6027\uff0c\u5927\u5927\u63d0\u5347\u4e86\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u5728Oracle 8\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u7ecf\u5178\u7684SQL\u8bed\u53e5\u793a\u4f8b\uff0c\u6bd4\u5982\u521b\u5efa\u8868\u3001\u63d2\u5165\u6570\u636e\u548c\u67e5\u8be2\u6570\u636e\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>-- \u521b\u5efa\u8868\nCREATE TABLE employees (\n    employee_id NUMBER,\n    first_name VARCHAR2(50),\n    last_name VARCHAR2(50),\n    email VARCHAR2(100)\n);\n\n-- \u63d2\u5165\u6570\u636e\nINSERT INTO employees VALUES (1, 'John', 'Doe', 'john.doe@example.com');\n\n-- \u67e5\u8be2\u6570\u636e\nSELECT * FROM employees;<\/pre>\n<h2>Oracle 9i<\/h2>\n<p>Oracle 9i\u662fOracle\u6570\u636e\u5e93\u7684\u7b2c\u4e00\u4e2a&#8221;i&#8221;\u7248\u672c\uff0c\u610f\u5473\u7740Internet\u3002\u5728\u8fd9\u4e2a\u7248\u672c\u4e2d\uff0cOracle\u5f15\u5165\u4e86\u8bb8\u591a\u5173\u4e8e\u4e92\u8054\u7f51\u5e94\u7528\u7684\u529f\u80fd\uff0c\u5982XML\u652f\u6301\u548c\u6570\u636e\u4ed3\u5e93\u6269\u5c55\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5229\u7528XML\u5728Oracle 9i\u4e2d\u5b58\u50a8\u548c\u67e5\u8be2\u6570\u636e\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>-- \u521b\u5efa\u8868\u683c\u6765\u5b58\u50a8XML\u6570\u636e\nCREATE TABLE xml_data (\n    xml_content XMLType\n);\n\n-- \u63d2\u5165XML\u6570\u636e\nINSERT INTO xml_data VALUES (XMLType('&lt;book&gt;&lt;title&gt;Oracle 9i&lt;\/title&gt;&lt;author&gt;John Smith&lt;\/author&gt;&lt;\/book&gt;'));\n\n-- \u67e5\u8be2XML\u6570\u636e\nSELECT xml_content.extract('\/\/author\/text()').getStringVal() AS author FROM xml_data;<\/pre>\n<h2>Oracle 10g<\/h2>\n<p>Oracle 10g \u4e2d\u7684&#8221;g&#8221;\u4ee3\u8868\u7f51\u683c\u8ba1\u7b97\uff08Grid Computing\uff09\uff0c\u8fd9\u4e2a\u7248\u672c\u7740\u91cd\u4e8e\u63d0\u4f9b\u66f4\u52a0\u5206\u5e03\u5f0f\u548c\u53ef\u6269\u5c55\u7684\u6570\u636e\u5e93\u89e3\u51b3\u65b9\u6848\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5728Oracle 10g\u4e2d\u521b\u5efaOracle\u5e8f\u5217\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>-- \u521b\u5efa\u5e8f\u5217\nCREATE SEQUENCE employee_seq\n    START WITH 1\n    INCREMENT BY 1\n    NOCACHE\n    NOCYCLE;<\/pre>\n<h2>Oracle 11g<\/h2>\n<p>Oracle 11g \u5f15\u5165\u4e86\u5f88\u591a\u65b0\u529f\u80fd\uff0c\u5305\u62ec\u6570\u636e\u538b\u7f29\u3001\u5206\u533a\u8868\u548c\u589e\u5f3a\u7684\u5b89\u5168\u6027\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5728Oracle 11g\u4e2d\u521b\u5efa\u5206\u533a\u8868\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>-- \u521b\u5efa\u5206\u533a\u8868\nCREATE 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('01-01-2010', 'DD-MM-YYYY')),\n    PARTITION p2 VALUES LESS THAN (TO_DATE('01-01-2020', 'DD-MM-YYYY')),\n    PARTITION p3 VALUES LESS THAN (MAXVALUE)\n);<\/pre>\n<h2>Oracle 12c<\/h2>\n<p>Oracle 12c \u5f15\u5165\u4e86\u8bb8\u591a\u4e91\u8ba1\u7b97\u76f8\u5173\u7684\u7279\u6027\uff0c\u5e76\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u591a\u79df\u6237\u652f\u6301\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5728Oracle 12c\u4e2d\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u865a\u62df\u5217\u7684\u8868\u683c\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>-- \u521b\u5efa\u5177\u6709\u865a\u62df\u5217\u7684\u8868\nCREATE TABLE employee (\n    employee_id NUMBER,\n    first_name VARCHAR2(50),\n    last_name VARCHAR2(50),\n    full_name VARCHAR2(100) GENERATED ALWAYS AS (first_name || ' ' || last_name) VIRTUAL\n);<\/pre>\n<h2>Oracle 19c<\/h2>\n<p>Oracle 19c \u662f\u76ee\u524d\u6700\u65b0\u7684Oracle\u6570\u636e\u5e93\u7248\u672c\uff0c\u5b83\u7ee7\u7eed\u5b8c\u5584\u4e86\u4e4b\u524d\u7248\u672c\u7684\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u66f4\u52a0\u9ad8\u6548\u548c\u7a33\u5b9a\u7684\u6570\u636e\u5e93\u7ba1\u7406\u89e3\u51b3\u65b9\u6848\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5728Oracle 19c\u4e2d\u57fa\u4e8e\u65b0\u7684\u8fde\u63a5\u8bed\u6cd5\u8fdb\u884c\u67e5\u8be2\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>-- \u4f7f\u7528\u65b0\u7684\u8fde\u63a5\u8bed\u6cd5\u8fdb\u884c\u67e5\u8be2\nSELECT e.employee_id, e.first_name, d.department_name\nFROM employees e\nJOIN departments d ON e.department_id = d.department_id\nWHERE e.salary &gt; 5000;<\/pre>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230Oracle\u6570\u636e\u5e93\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u5f15\u5165\u7684\u65b0\u529f\u80fd\u548c\u7279\u6027\uff0c\u4ee5\u53ca\u9488\u5bf9\u4e0d\u540c\u4e1a\u52a1\u9700\u6c42\u6240\u63d0\u4f9b\u7684\u89e3\u51b3\u65b9\u6848\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6211\u4eec\u53ef\u4ee5\u671f\u5f85\u672a\u6765Oracle\u6570\u636e\u5e93\u5728\u6027\u80fd\u3001\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u65b9\u9762\u7684\u8fdb\u4e00\u6b65\u63d0\u5347\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u597d\u7684\u6570\u636e\u5e93\u7ba1\u7406\u4f53\u9a8c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Oracle\u6570\u636e\u5e93\u7248\u672c\u5386\u53f2\uff1a\u4eceO&#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-199770","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199770","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=199770"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199770\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}