{"id":199872,"date":"2025-05-06T09:06:02","date_gmt":"2025-05-06T01:06:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199872\/"},"modified":"2025-05-06T09:06:02","modified_gmt":"2025-05-06T01:06:02","slug":"oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e6%9c%89%e5%93%aa%e4%ba%9b%e5%b8%b8%e7%94%a8%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199872\/","title":{"rendered":"Oracle\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u6709\u54ea\u4e9b\u5e38\u7528\u7684\uff1f"},"content":{"rendered":"

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

Oracle\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u6709\u54ea\u4e9b\u5e38\u7528\u7684\uff1f<\/h1>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300aOracle\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u6709\u54ea\u4e9b\u5e38\u7528\u7684\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

Oracle\u6570\u636e\u5e93\u4e2d\u5e38\u89c1\u7684\u6570\u636e\u7c7b\u578b\u6709\u5f88\u591a\u79cd\uff0c\u5305\u62ec\u6570\u503c\u578b\u3001\u5b57\u7b26\u578b\u3001\u65e5\u671f\u578b\u7b49\u3002\u4e0b\u9762\u5c06\u5177\u4f53\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u9644\u4e0a\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u6570\u503c\u578b\u6570\u636e\u7c7b\u578b\uff1a<\/li>\n
  2. NUMBER: \u7528\u4e8e\u5b58\u50a8\u6570\u503c\u7c7b\u578b\u6570\u636e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6307\u5b9a\u7cbe\u5ea6\u548c\u8303\u56f4\u3002
    \u793a\u4f8b\uff1aCREATE TABLE test_table (
    id NUMBER(10),
    salary NUMBER(8,2)
    );<\/li>\n<\/ol>\n
      \n
    • INTEGER: \u7528\u4e8e\u5b58\u50a8\u6574\u6570\u7c7b\u578b\u6570\u636e\u3002
      \u793a\u4f8b\uff1aCREATE TABLE test_table (
      id INTEGER,
      age INTEGER
      );<\/li>\n<\/ul>\n
        \n
      1. \u5b57\u7b26\u578b\u6570\u636e\u7c7b\u578b\uff1a<\/li>\n
      2. VARCHAR2: \u7528\u4e8e\u5b58\u50a8\u53ef\u53d8\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u636e\uff0c\u6700\u5927\u957f\u5ea6\u4e3a4000\u5b57\u8282\u3002
        \u793a\u4f8b\uff1aCREATE TABLE test_table (
        name VARCHAR2(50),
        address VARCHAR2(100)
        );<\/li>\n<\/ol>\n
          \n
        • CHAR: \u7528\u4e8e\u5b58\u50a8\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u6570\u636e\uff0c\u4e0d\u8db3\u7684\u90e8\u5206\u4f1a\u7528\u7a7a\u683c\u586b\u5145\u3002
          \u793a\u4f8b\uff1aCREATE TABLE test_table (
          code CHAR(5),
          status CHAR(10)
          );<\/li>\n<\/ul>\n
            \n
          1. \u65e5\u671f\u578b\u6570\u636e\u7c7b\u578b\uff1a<\/li>\n
          2. DATE: \u7528\u4e8e\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\u6570\u636e\u3002
            \u793a\u4f8b\uff1aCREATE TABLE test_table (
            hire_date DATE,
            birth_date DATE
            );<\/li>\n<\/ol>\n
              \n
            • TIMESTAMP: \u7528\u4e8e\u5b58\u50a8\u65e5\u671f\u3001\u65f6\u95f4\u548c\u65f6\u533a\u4fe1\u606f\u3002
              \u793a\u4f8b\uff1aCREATE TABLE test_table (
              order_time TIMESTAMP,
              delivery_time TIMESTAMP
              );<\/li>\n<\/ul>\n
                \n
              1. \u5176\u4ed6\u5e38\u89c1\u6570\u636e\u7c7b\u578b\uff1a<\/li>\n
              2. CLOB: \u7528\u4e8e\u5b58\u50a8\u5927\u91cf\u6587\u672c\u6570\u636e\u3002
                \u793a\u4f8b\uff1aCREATE TABLE test_table (
                description CLOB
                );<\/li>\n<\/ol>\n
                  \n
                • BLOB: \u7528\u4e8e\u5b58\u50a8\u5927\u91cf\u4e8c\u8fdb\u5236\u6570\u636e\u3002
                  \u793a\u4f8b\uff1aCREATE TABLE test_table (
                  image BLOB
                  );<\/li>\n<\/ul>\n

                  \u4ee5\u4e0a\u662fOracle\u6570\u636e\u5e93\u4e2d\u5e38\u89c1\u7684\u6570\u636e\u7c7b\u578b\u53ca\u5176\u4ee3\u7801\u793a\u4f8b\uff0c\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u6570\u636e\u5b58\u50a8\u9700\u6c42\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u6765\u521b\u5efa\u6570\u636e\u5e93\u8868\u3002<\/p>\n

                  \u672c\u7bc7\u5173\u4e8e\u300aOracle\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u6709\u54ea\u4e9b\u5e38\u7528\u7684\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n

                  \n
                  \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

                  Oracle\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u6709...<\/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-199872","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199872","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=199872"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199872\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}