{"id":199914,"date":"2025-05-06T08:40:30","date_gmt":"2025-05-06T00:40:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199914\/"},"modified":"2025-05-06T08:40:30","modified_gmt":"2025-05-06T00:40:30","slug":"%e5%88%86%e4%ba%ab%e4%bf%ae%e6%94%b9oracle%e7%bc%96%e7%a0%81%e6%a0%bc%e5%bc%8f%e7%9a%84%e5%ae%9e%e7%94%a8%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199914\/","title":{"rendered":"\u5206\u4eab\u4fee\u6539Oracle\u7f16\u7801\u683c\u5f0f\u7684\u5b9e\u7528\u6280\u5de7"},"content":{"rendered":"

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

\u5206\u4eab\u4fee\u6539Oracle\u7f16\u7801\u683c\u5f0f\u7684\u5b9e\u7528\u6280\u5de7<\/h1>\n

\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6570\u636e\u5e93\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5206\u4eab\u4fee\u6539Oracle\u7f16\u7801\u683c\u5f0f\u7684\u5b9e\u7528\u6280\u5de7\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

Oracle\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u6280\u5de7\u5206\u4eab<\/p>\n

\u5728\u5b9e\u9645\u6570\u636e\u5e93\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u4fee\u6539\u6570\u636e\u5e93\u8868\u7684\u7f16\u7801\u683c\u5f0f\u7684\u60c5\u51b5\uff0c\u7279\u522b\u662f\u5f53\u6570\u636e\u5e93\u8fc1\u79fb\u6216\u8005\u6570\u636e\u96c6\u6210\u65f6\u3002Oracle\u4f5c\u4e3a\u4e00\u6b3e\u4e3b\u6d41\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u548c\u5de5\u5177\u6765\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u8fdb\u884c\u7f16\u7801\u683c\u5f0f\u7684\u4fee\u6539\u3002\u672c\u6587\u5c06\u5206\u4eab\u4e00\u4e9bOracle\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u7684\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u4fbf\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u6280\u5de7\u3002<\/p>\n

\u4e00\u3001\u68c0\u67e5\u5f53\u524d\u7f16\u7801\u683c\u5f0f<\/p>\n

\u5728\u4fee\u6539\u6570\u636e\u5e93\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u68c0\u67e5\u5f53\u524d\u8868\u7684\u7f16\u7801\u683c\u5f0f\u3002\u901a\u8fc7\u4ee5\u4e0bSQL\u8bed\u53e5\u53ef\u4ee5\u67e5\u8be2Oracle\u6570\u636e\u5e93\u4e2d\u6240\u6709\u8868\u7684\u7f16\u7801\u683c\u5f0f\uff1a<\/p>\n

SELECT TABLE_NAME, COLUMN_NAME, DATA_TYPE, DATA_LENGTH, CHARACTER_SET_NAME\nFROM ALL_TAB_COLUMNS\nWHERE TABLE_SCHEMA = 'your_schema_name';<\/pre>\n
\u4e0a\u8ff0SQL\u8bed\u53e5\u4f1a\u8fd4\u56de\u6307\u5b9a\u6a21\u5f0f\u4e0b\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\uff0c\u5305\u62ec\u5217\u7684\u6570\u636e\u7c7b\u578b\u548c\u5b57\u7b26\u96c6\u3002\u901a\u8fc7\u67e5\u770bCHARACTER_SET_NAME<\/code>\u5b57\u6bb5\u7684\u503c\uff0c\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4fe1\u606f\u3002<\/p>\n
\u4e8c\u3001\u4fee\u6539\u8868\u7684\u7f16\u7801\u683c\u5f0f<\/p>\n
    \n
  1. \u4fee\u6539\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4e3aUTF-8<\/li>\n<\/ol>\n
    \u5982\u679c\u9700\u8981\u5c06\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u4e3aUTF-8\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u4fee\u6539\u8868\u7684\u7f16\u7801\u683c\u5f0f\uff1a<\/p>\n
    ALTER TABLE your_table_name\nMODIFY DEFAULT COLLATION \"UTF8\";<\/pre>\n
    \u4e0a\u8ff0SQL\u8bed\u53e5\u4e2d\uff0cyour_table_name<\/code>\u4e3a\u8981\u4fee\u6539\u7684\u8868\u7684\u540d\u79f0\uff0c\u901a\u8fc7MODIFY DEFAULT COLLATION \"UTF8\"<\/code>\u8bed\u53e5\u53ef\u4ee5\u5c06\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u4e3aUTF-8\u3002<\/p>\n
      \n
    1. \u4fee\u6539\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4e3aGBK<\/li>\n<\/ol>\n
      \u5982\u679c\u9700\u8981\u5c06\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u4e3aGBK\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u4fee\u6539\u8868\u7684\u7f16\u7801\u683c\u5f0f\uff1a<\/p>\n
      ALTER TABLE your_table_name\nMODIFY DEFAULT COLLATION \"GBK\";<\/pre>\n
      \u540c\u6837\uff0cyour_table_name<\/code>\u4e3a\u8981\u4fee\u6539\u7684\u8868\u7684\u540d\u79f0\uff0c\u901a\u8fc7MODIFY DEFAULT COLLATION \"GBK\"<\/code>\u8bed\u53e5\u53ef\u4ee5\u5c06\u8868\u7684\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u4e3aGBK\u3002<\/p>\n
      \u4e09\u3001\u4fee\u6539\u5217\u7684\u7f16\u7801\u683c\u5f0f<\/p>\n
      \u9664\u4e86\u53ef\u4ee5\u4fee\u6539\u6574\u4e2a\u8868\u7684\u7f16\u7801\u683c\u5f0f\u5916\uff0c\u4e5f\u53ef\u4ee5\u9488\u5bf9\u5355\u4e2a\u5217\u8fdb\u884c\u7f16\u7801\u683c\u5f0f\u7684\u4fee\u6539\u3002\u4ee5\u4e0b\u793a\u4f8b\u4e3a\u5728\u8868\u4e2d\u589e\u52a0\u4e00\u4e2a\u65b0\u5217\u5e76\u8bbe\u7f6e\u5176\u7f16\u7801\u683c\u5f0f\u4e3aUTF-8\uff1a<\/p>\n
      ALTER TABLE your_table_name \nADD new_column_name VARCHAR2(100) \nCHARACTER SET utf8 COLLATE utf8_general_ci;<\/pre>\n
      \u4e0a\u8ff0SQL\u8bed\u53e5\u4e2d\uff0cnew_column_name<\/code>\u4e3a\u8981\u589e\u52a0\u7684\u5217\u7684\u540d\u79f0\uff0cVARCHAR2(100)<\/code>\u4e3a\u5217\u7684\u6570\u636e\u7c7b\u578b\u548c\u957f\u5ea6\uff0c\u901a\u8fc7CHARACTER SET utf8 COLLATE utf8_general_ci<\/code>\u8bed\u53e5\u53ef\u4ee5\u5c06\u8be5\u5217\u7684\u7f16\u7801\u683c\u5f0f\u8bbe\u7f6e\u4e3aUTF-8\u3002<\/p>\n
      \u56db\u3001\u6ce8\u610f\u4e8b\u9879<\/p>\n
        \n
      1. \u5728\u8fdb\u884c\u7f16\u7801\u683c\u5f0f\u4fee\u6539\u65f6\uff0c\u5efa\u8bae\u5728\u5907\u4efd\u6570\u636e\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u6570\u636e\u4e22\u5931\u6216\u635f\u574f\u3002<\/li>\n
      2. \u4fee\u6539\u8868\u6216\u5217\u7684\u7f16\u7801\u683c\u5f0f\u53ef\u80fd\u4f1a\u5f71\u54cd\u5df2\u6709\u6570\u636e\u7684\u5b58\u50a8\u548c\u67e5\u8be2\uff0c\u9700\u8981\u8c28\u614e\u5904\u7406\u3002<\/li>\n
      3. \u5728\u4fee\u6539\u7f16\u7801\u683c\u5f0f\u4e4b\u540e\uff0c\u5efa\u8bae\u8fdb\u884c\u5168\u9762\u7684\u6d4b\u8bd5\u548c\u9a8c\u8bc1\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n<\/ol>\n
        \u901a\u8fc7\u4ee5\u4e0a\u6280\u5de7\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u8fdb\u884cOracle\u6570\u636e\u5e93\u8868\u548c\u5217\u7684\u7f16\u7801\u683c\u5f0f\u4fee\u6539\uff0c\u4ece\u800c\u6ee1\u8db3\u4e0d\u540c\u9879\u76ee\u548c\u9700\u6c42\u7684\u8981\u6c42\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\uff0c\u63d0\u5347\u6570\u636e\u5e93\u5f00\u53d1\u7684\u6548\u7387\u548c\u8d28\u91cf\u3002<\/p>\n
        \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5206\u4eab\u4fee\u6539Oracle\u7f16\u7801\u683c\u5f0f\u7684\u5b9e\u7528\u6280\u5de7\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
        \n
        \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u5206\u4eab\u4fee\u6539Oracle\u7f16\u7801\u683c\u5f0f\u7684\u5b9e...<\/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-199914","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199914","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=199914"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199914\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}