{"id":199881,"date":"2025-05-06T11:36:59","date_gmt":"2025-05-06T03:36:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199881\/"},"modified":"2025-05-06T11:36:59","modified_gmt":"2025-05-06T03:36:59","slug":"%e4%bb%8b%e7%bb%8d%e5%b8%b8%e8%a7%81%e7%9a%84oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199881\/","title":{"rendered":"\u4ecb\u7ecd\u5e38\u89c1\u7684Oracle\u6570\u636e\u5e93\u6570\u636e\u7c7b\u578b"},"content":{"rendered":"

<\/b> <\/p>\n

\u4ecb\u7ecd\u5e38\u89c1\u7684Oracle\u6570\u636e\u5e93\u6570\u636e\u7c7b\u578b<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\uff0c\u6216\u8005\u662f\u5bf9\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

Oracle\u6570\u636e\u5e93\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u5728\u4f7f\u7528Oracle\u6570\u636e\u5e93\u65f6\uff0c\u4e86\u89e3\u6570\u636e\u5e93\u7684\u6570\u636e\u7c7b\u578b\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u9644\u5e26\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u6570\u503c\u578b\u6570\u636e\u7c7b\u578b<\/p>\n

    \n
  1. NUMBER<\/li>\n<\/ol>\n

    NUMBER\u662fOracle\u6570\u636e\u5e93\u4e2d\u6700\u5e38\u7528\u7684\u6570\u503c\u578b\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u5b58\u50a8\u6574\u6570\u6216\u6d6e\u70b9\u6570\u3002NUMBER\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u6307\u5b9a\u7cbe\u5ea6\u548c\u8303\u56f4\u3002<\/p>\n

    CREATE TABLE employees (\n    employee_id NUMBER(5),\n    salary NUMBER(10, 2)\n);<\/pre>\n
      \n
    1. INTEGER<\/li>\n<\/ol>\n
      INTEGER\u7528\u4e8e\u5b58\u50a8\u6574\u6570\u503c\uff0c\u8303\u56f4\u5728-2^31\u52302^31-1\u4e4b\u95f4\u3002<\/p>\n
      CREATE TABLE students (\n    student_id INTEGER\n);<\/pre>\n
      \u4e8c\u3001\u5b57\u7b26\u578b\u6570\u636e\u7c7b\u578b<\/p>\n
        \n
      1. CHAR<\/li>\n<\/ol>\n
        CHAR\u7528\u4e8e\u5b58\u50a8\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\uff0c\u6700\u5927\u957f\u5ea6\u4e3a2000\u4e2a\u5b57\u7b26\u3002<\/p>\n
        CREATE TABLE customers (\n    customer_id CHAR(10),\n    customer_name CHAR(50)\n);<\/pre>\n
          \n
        1. VARCHAR2<\/li>\n<\/ol>\n
          VARCHAR2\u7528\u4e8e\u5b58\u50a8\u53ef\u53d8\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\uff0c\u6700\u5927\u957f\u5ea6\u4e3a4000\u4e2a\u5b57\u7b26\u3002<\/p>\n
          CREATE TABLE products (\n    product_id VARCHAR2(20),\n    product_name VARCHAR2(100)\n);<\/pre>\n
          \u4e09\u3001\u65e5\u671f\u578b\u6570\u636e\u7c7b\u578b<\/p>\n
            \n
          1. DATE<\/li>\n<\/ol>\n
            DATE\u7528\u4e8e\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n
            CREATE TABLE orders (\n    order_id NUMBER,\n    order_date DATE\n);<\/pre>\n
              \n
            1. TIMESTAMP<\/li>\n<\/ol>\n
              TIMESTAMP\u7528\u4e8e\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\u6233\u4fe1\u606f\u3002<\/p>\n
              CREATE TABLE logs (\n    log_id NUMBER,\n    log_time TIMESTAMP\n);<\/pre>\n
              \u56db\u3001LOB\u6570\u636e\u7c7b\u578b<\/p>\n
              LOB\uff08Large Object\uff09\u6570\u636e\u7c7b\u578b\u7528\u4e8e\u5b58\u50a8\u5927\u91cf\u7684\u6587\u672c\u6570\u636e\u3001\u4e8c\u8fdb\u5236\u6570\u636e\u6216\u56fe\u50cf\u6570\u636e\u3002<\/p>\n
              CREATE TABLE documents (\n    document_id NUMBER,\n    content CLOB\n);<\/pre>\n
              \u4e94\u3001\u5176\u4ed6\u6570\u636e\u7c7b\u578b<\/p>\n
              \u9664\u4e86\u4e0a\u8ff0\u5e38\u89c1\u7684\u6570\u636e\u7c7b\u578b\u5916\uff0cOracle\u6570\u636e\u5e93\u8fd8\u652f\u6301\u5176\u4ed6\u4e00\u4e9b\u7279\u6b8a\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982BOOLEAN\u3001BINARY_INTEGER\u7b49\u3002<\/p>\n
              CREATE TABLE flags (\n    flag_id NUMBER,\n    is_active BOOLEAN,\n    flag_value BINARY_INTEGER\n);<\/pre>\n
              \u603b\u7ed3<\/p>\n
              \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6570\u636e\u7c7b\u578b\u7684\u9009\u62e9\u5bf9\u4e8e\u6570\u636e\u5e93\u8bbe\u8ba1\u548c\u6027\u80fd\u6709\u7740\u81f3\u5173\u91cd\u8981\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u5e0c\u671b\u672c\u6587\u6240\u4ecb\u7ecd\u7684Oracle\u5e38\u7528\u6570\u636e\u7c7b\u578b\u53ca\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u9009\u62e9\u3002<\/p>\n
              \u4eca\u5929\u5173\u4e8e\u300a\u4ecb\u7ecd\u5e38\u89c1\u7684Oracle\u6570\u636e\u5e93\u6570\u636e\u7c7b\u578b\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n
              \n
              \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
              \u4ecb\u7ecd\u5e38\u89c1\u7684Oracle\u6570\u636e\u5e93\u6570\u636e...<\/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-199881","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199881","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=199881"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199881\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}