{"id":199803,"date":"2025-05-06T10:18:43","date_gmt":"2025-05-06T02:18:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199803\/"},"modified":"2025-05-06T10:18:43","modified_gmt":"2025-05-06T02:18:43","slug":"%e5%88%86%e4%ba%ab%e4%bc%98%e5%8c%96oracle%e5%ba%8f%e5%88%97%e5%8f%b7%e6%9f%a5%e8%af%a2%e7%9a%84%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199803\/","title":{"rendered":"\u5206\u4eab\u4f18\u5316Oracle\u5e8f\u5217\u53f7\u67e5\u8be2\u7684\u6280\u5de7"},"content":{"rendered":"

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

\u5206\u4eab\u4f18\u5316Oracle\u5e8f\u5217\u53f7\u67e5\u8be2\u7684\u6280\u5de7<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5206\u4eab\u4f18\u5316Oracle\u5e8f\u5217\u53f7\u67e5\u8be2\u7684\u6280\u5de7\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n

Oracle\u5e8f\u5217\u53f7\u67e5\u8be2\u662f\u5728\u6570\u636e\u5e93\u4e2d\u751f\u6210\u552f\u4e00\u7684\u9012\u589e\u6570\u5b57\uff0c\u901a\u5e38\u7528\u4e8e\u7ed9\u8868\u7684\u4e3b\u952e\u8d4b\u503c\u6216\u8005\u8bb0\u5f55\u6570\u636e\u63d2\u5165\u7684\u987a\u5e8f\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f53\u6570\u636e\u5e93\u4e2d\u8868\u7684\u6570\u636e\u91cf\u8f83\u5927\u65f6\uff0c\u67e5\u8be2\u5e8f\u5217\u53f7\u53ef\u80fd\u4f1a\u53d8\u5f97\u6bd4\u8f83\u8017\u65f6\u3002\u4e3a\u4e86\u4f18\u5316\u5e8f\u5217\u53f7\u67e5\u8be2\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u91c7\u7528\u4e00\u4e9b\u6280\u5de7\u6765\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002\u672c\u6587\u5c06\u5206\u4eab\u4e00\u4e9b\u4f18\u5316\u5e8f\u5217\u53f7\u67e5\u8be2\u7684\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u4f7f\u7528\u7f13\u5b58\u5e8f\u5217\u53f7<\/li>\n<\/ol>\n

    Oracle\u4e2d\u7684\u5e8f\u5217\u53f7\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u6bcf\u6b21\u5355\u72ec\u67e5\u8be2\u6570\u636e\u5e93\u83b7\u53d6\u4e0b\u4e00\u4e2a\u5e8f\u5217\u53f7\uff0c\u8fd9\u6837\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9891\u7e41\u7684\u6570\u636e\u5e93\u4ea4\u4e92\uff0c\u4ece\u800c\u5f71\u54cd\u67e5\u8be2\u6027\u80fd\u3002\u4e3a\u4e86\u4f18\u5316\u67e5\u8be2\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u7f13\u5b58\u5e8f\u5217\u53f7\u7684\u65b9\u5f0f\uff0c\u5373\u4e00\u6b21\u83b7\u53d6\u591a\u4e2a\u5e8f\u5217\u53f7\u7f13\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u4ea4\u4e92\u6b21\u6570\u3002<\/p>\n

    CREATE SEQUENCE my_sequence\nSTART WITH 1\nINCREMENT BY 1\nCACHE 100; -- \u7f13\u5b58100\u4e2a\u5e8f\u5217\u53f7<\/pre>\n
      \n
    1. \u4f7f\u7528NOORDER\u9009\u9879<\/li>\n<\/ol>\n
      \u5f53\u4e0d\u9700\u8981\u4fdd\u8bc1\u5e8f\u5217\u53f7\u7684\u6709\u5e8f\u9012\u589e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528NOORDER\u9009\u9879\u6765\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u5728\u521b\u5efa\u5e8f\u5217\u53f7\u65f6\u4f7f\u7528\u8be5\u9009\u9879\u53ef\u4ee5\u544a\u8bc9Oracle\u4e0d\u9700\u8981\u4fdd\u8bc1\u5e8f\u5217\u53f7\u7684\u6709\u5e8f\u9012\u589e\uff0c\u4ece\u800c\u51cf\u5c11\u4e00\u4e9b\u989d\u5916\u7684\u5f00\u9500\u3002<\/p>\n
      CREATE SEQUENCE my_sequence\nSTART WITH 1\nINCREMENT BY 1\nNOORDER;<\/pre>\n
        \n
      1. \u4f7f\u7528\u5e8f\u5217\u53f7\u9884\u7533\u8bf7<\/li>\n<\/ol>\n
        \u5982\u679c\u5728\u67d0\u4e2a\u4e8b\u52a1\u4e2d\u9700\u8981\u7528\u5230\u591a\u4e2a\u5e8f\u5217\u53f7\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5e8f\u5217\u53f7\u7684\u9884\u7533\u8bf7\u529f\u80fd\uff0c\u4e00\u6b21\u6027\u83b7\u53d6\u591a\u4e2a\u5e8f\u5217\u53f7\u4ee5\u51cf\u5c11\u6570\u636e\u5e93\u4ea4\u4e92\u7684\u6b21\u6570\u3002<\/p>\n
        SELECT my_sequence.NEXTVAL\nFROM dual\nCONNECT BY level <= 10; -- \u9884\u7533\u8bf710\u4e2a\u5e8f\u5217\u53f7<\/pre>\n
          \n
        1. \u907f\u514d\u9891\u7e41\u7684\u5e8f\u5217\u53f7\u67e5\u8be2<\/li>\n<\/ol>\n
          \u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5c3d\u91cf\u907f\u514d\u9891\u7e41\u7684\u5e8f\u5217\u53f7\u67e5\u8be2\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u7684\u4e1a\u52a1\u903b\u8f91\u8bbe\u8ba1\u6765\u51cf\u5c11\u5bf9\u5e8f\u5217\u53f7\u7684\u4f9d\u8d56\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n
          \u901a\u8fc7\u4ee5\u4e0a\u4f18\u5316\u6280\u5de7\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8Oracle\u5e8f\u5217\u53f7\u67e5\u8be2\u7684\u6027\u80fd\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u4ea4\u4e92\u6b21\u6570\uff0c\u63d0\u5347\u67e5\u8be2\u6548\u7387\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u573a\u666f\u548c\u9700\u6c42\uff0c\u53ef\u4ee5\u7ed3\u5408\u4e0d\u540c\u7684\u4f18\u5316\u6280\u5de7\u6765\u8fbe\u5230\u6700\u4f73\u6027\u80fd\u3002\u5e0c\u671b\u672c\u6587\u63d0\u4f9b\u7684\u6280\u5de7\u548c\u4ee3\u7801\u793a\u4f8b\u80fd\u591f\u5bf9\u5927\u5bb6\u5728\u4f18\u5316\u5e8f\u5217\u53f7\u67e5\u8be2\u65f6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
          \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
          \n
          \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          \u5206\u4eab\u4f18\u5316Oracle\u5e8f\u5217\u53f7\u67e5\u8be2\u7684...<\/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-199803","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199803","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=199803"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199803\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}