{"id":199863,"date":"2025-05-06T10:01:24","date_gmt":"2025-05-06T02:01:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199863\/"},"modified":"2025-05-06T10:01:24","modified_gmt":"2025-05-06T02:01:24","slug":"%e6%8e%a2%e8%ae%a8oracle%e5%92%8csybase%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e7%bb%93%e6%9e%84%e4%b8%8e%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199863\/","title":{"rendered":"\u63a2\u8ba8Oracle\u548cSybase\u6570\u636e\u5e93\u7684\u7ed3\u6784\u4e0e\u7279\u6027"},"content":{"rendered":"

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

\u63a2\u8ba8Oracle\u548cSybase\u6570\u636e\u5e93\u7684\u7ed3\u6784\u4e0e\u7279\u6027<\/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\u548cSybase\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\uff0c\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002\u5b83\u4eec\u90fd\u6709\u81ea\u5df1\u72ec\u7279\u7684\u67b6\u6784\u548c\u7279\u70b9\uff0c\u5728\u672c\u6587\u4e2d\u5c06\u6df1\u5165\u5206\u6790\u5b83\u4eec\u7684\u6570\u636e\u5e93\u67b6\u6784\uff0c\u5305\u62ec\u6570\u636e\u5b58\u50a8\u3001\u67e5\u8be2\u4f18\u5316\u3001\u4e8b\u52a1\u5904\u7406\u7b49\u65b9\u9762\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001Oracle\u6570\u636e\u5e93\u67b6\u6784\u53ca\u7279\u70b9<\/p>\n

Oracle\u6570\u636e\u5e93\u662f\u4e00\u79cd\u9886\u5148\u7684\u4f01\u4e1a\u7ea7\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5177\u6709\u5f3a\u5927\u7684\u529f\u80fd\u548c\u6027\u80fd\u3002\u5176\u67b6\u6784\u91c7\u7528\u4e86\u4e00\u79cd\u591a\u5c42\u6b21\u7ed3\u6784\uff0c\u5305\u62ec\u6570\u636e\u5b58\u50a8\u3001\u67e5\u8be2\u4f18\u5316\u548c\u4e8b\u52a1\u5904\u7406\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u5206\u6790Oracle\u6570\u636e\u5e93\u7684\u67b6\u6784\u53ca\u7279\u70b9\u3002<\/p>\n

    \n
  1. \u6570\u636e\u5b58\u50a8<\/li>\n<\/ol>\n

    \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6570\u636e\u5b58\u50a8\u91c7\u7528\u4e86\u8868\u7a7a\u95f4\uff08tablespace\uff09\u7684\u6982\u5ff5\u3002\u8868\u7a7a\u95f4\u662f\u6570\u636e\u6587\u4ef6\u7684\u903b\u8f91\u96c6\u5408\uff0c\u6bcf\u4e2a\u8868\u7a7a\u95f4\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u6570\u636e\u6587\u4ef6\u3002\u6570\u636e\u6587\u4ef6\u662f\u5b9e\u9645\u5b58\u50a8\u6570\u636e\u7684\u5730\u65b9\uff0cOracle\u4f7f\u7528\u6570\u636e\u5757\uff08data block\uff09\u6765\u5b58\u50a8\u6570\u636e\u8bb0\u5f55\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u8868\u7a7a\u95f4\u5e76\u6307\u5b9a\u6570\u636e\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u7136\u540e\u5728\u8868\u7a7a\u95f4\u4e2d\u521b\u5efa\u8868\u548c\u7d22\u5f15\u3002<\/p>\n

    \u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u8868\u7a7a\u95f4\u548c\u8868\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    CREATE TABLESPACE users\nDATAFILE 'users.dbf' SIZE 100M\nEXTENT MANAGEMENT LOCAL AUTOALLOCATE;\n\nCREATE TABLE employees (\n   employee_id NUMBER,\n   employee_name VARCHAR2(50)\n);<\/pre>\n
      \n
    1. \u67e5\u8be2\u4f18\u5316<\/li>\n<\/ol>\n
      Oracle\u6570\u636e\u5e93\u6709\u4e00\u4e2a\u590d\u6742\u800c\u9ad8\u6548\u7684\u67e5\u8be2\u4f18\u5316\u5668\uff0c\u80fd\u591f\u6839\u636e\u67e5\u8be2\u8bed\u53e5\u7684\u590d\u6742\u6027\u548c\u6570\u636e\u5206\u5e03\u60c5\u51b5\u6765\u9009\u62e9\u6700\u4f73\u7684\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u3002\u67e5\u8be2\u4f18\u5316\u5668\u4f1a\u6839\u636e\u7d22\u5f15\u3001\u7edf\u8ba1\u4fe1\u606f\u548c\u8868\u5173\u8054\u7b49\u56e0\u7d20\u751f\u6210\u6700\u4f73\u7684\u6267\u884c\u8ba1\u5212\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n
      \u4e0b\u9762\u662f\u4e00\u4e2a\u67e5\u8be2\u4f18\u5316\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      EXPLAIN PLAN FOR\nSELECT * FROM employees WHERE employee_id = 100;\n\nSELECT * FROM TABLE(DBMS_XPLAN.DISPLAY);<\/pre>\n
        \n
      1. \u4e8b\u52a1\u5904\u7406<\/li>\n<\/ol>\n
        Oracle\u6570\u636e\u5e93\u91c7\u7528\u4e86ACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u3001\u6301\u4e45\u6027\uff09\u4e8b\u52a1\u6a21\u578b\uff0c\u4fdd\u8bc1\u4e8b\u52a1\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002\u6570\u636e\u5e93\u4f1a\u81ea\u52a8\u5904\u7406\u4e8b\u52a1\u7684\u63d0\u4ea4\u548c\u56de\u6eda\uff0c\u5e76\u4f7f\u7528\u65e5\u5fd7\u6587\u4ef6\u6765\u5b9e\u73b0\u4e8b\u52a1\u7684\u6301\u4e45\u5316\u3002<\/p>\n
        \u4e0b\u9762\u662f\u4e00\u4e2a\u4e8b\u52a1\u5904\u7406\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        BEGIN\n   INSERT INTO employees VALUES (101, 'Alice');\n   COMMIT;\nEND;<\/pre>\n
        \u4e8c\u3001Sybase\u6570\u636e\u5e93\u67b6\u6784\u53ca\u7279\u70b9<\/p>\n
        Sybase\u6570\u636e\u5e93\u662f\u53e6\u4e00\u79cd\u6d41\u884c\u7684\u4f01\u4e1a\u7ea7\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5177\u6709\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u4f18\u52bf\u3002\u5176\u67b6\u6784\u4e5f\u5177\u6709\u4e0d\u540c\u4e8eOracle\u7684\u7279\u70b9\uff0c\u5728\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u5206\u6790Sybase\u6570\u636e\u5e93\u7684\u67b6\u6784\u53ca\u7279\u70b9\u3002<\/p>\n
          \n
        1. \u6570\u636e\u5b58\u50a8<\/li>\n<\/ol>\n
          Sybase\u6570\u636e\u5e93\u91c7\u7528\u4e86\u884c\u7ea7\u5b58\u50a8\u7684\u65b9\u5f0f\uff0c\u6bcf\u4e2a\u6570\u636e\u8bb0\u5f55\u5728\u5b58\u50a8\u65f6\u90fd\u662f\u4ee5\u884c\u4e3a\u5355\u4f4d\u3002\u8fd9\u79cd\u5b58\u50a8\u65b9\u5f0f\u5728\u5904\u7406OLTP\uff08\u8054\u673a\u4e8b\u52a1\u5904\u7406\uff09\u5e94\u7528\u65f6\u5177\u6709\u8f83\u9ad8\u7684\u6548\u7387\u3002Sybase\u6570\u636e\u5e93\u8fd8\u652f\u6301\u521b\u5efa\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u8868\u3002<\/p>\n
          \u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          CREATE DATABASE company;\n\nUSE company;\n\nCREATE TABLE employees (\n   employee_id INT,\n   employee_name VARCHAR(50)\n);<\/pre>\n
            \n
          1. \u67e5\u8be2\u4f18\u5316<\/li>\n<\/ol>\n
            Sybase\u6570\u636e\u5e93\u4e5f\u6709\u4e00\u4e2a\u67e5\u8be2\u4f18\u5316\u5668\uff0c\u7528\u4e8e\u751f\u6210\u6700\u4f73\u7684\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u3002\u67e5\u8be2\u4f18\u5316\u5668\u4f1a\u6839\u636e\u7d22\u5f15\u3001\u7edf\u8ba1\u4fe1\u606f\u548c\u67e5\u8be2\u6761\u4ef6\u7684\u590d\u6742\u6027\u6765\u9009\u62e9\u5408\u9002\u7684\u6267\u884c\u8ba1\u5212\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n
            \u4e0b\u9762\u662f\u4e00\u4e2a\u67e5\u8be2\u4f18\u5316\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
            SET SHOWPLAN ON;\n\nSELECT * FROM employees WHERE employee_id = 100;<\/pre>\n
              \n
            1. \u4e8b\u52a1\u5904\u7406<\/li>\n<\/ol>\n
              Sybase\u6570\u636e\u5e93\u540c\u6837\u652f\u6301ACID\u4e8b\u52a1\u6a21\u578b\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002\u6570\u636e\u5e93\u4f1a\u81ea\u52a8\u5904\u7406\u4e8b\u52a1\u7684\u63d0\u4ea4\u548c\u56de\u6eda\uff0c\u5e76\u901a\u8fc7\u65e5\u5fd7\u6587\u4ef6\u6765\u5b9e\u73b0\u4e8b\u52a1\u7684\u6301\u4e45\u5316\u3002<\/p>\n
              \u4e0b\u9762\u662f\u4e00\u4e2a\u4e8b\u52a1\u5904\u7406\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
              BEGIN TRANSACTION;\n\nINSERT INTO employees VALUES (101, 'Bob');\n\nCOMMIT TRANSACTION;<\/pre>\n
              \u7efc\u4e0a\u6240\u8ff0\uff0cOracle\u548cSybase\u662f\u4e24\u79cd\u5177\u6709\u4e0d\u540c\u7279\u70b9\u548c\u67b6\u6784\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u4eec\u90fd\u5728\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u6df1\u5165\u5206\u6790\u5b83\u4eec\u7684\u6570\u636e\u5e93\u67b6\u6784\u53ca\u7279\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u4e86\u89e3\u5b83\u4eec\u7684\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\uff0c\u4ece\u800c\u66f4\u597d\u5730\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u6765\u652f\u6301\u4f01\u4e1a\u5e94\u7528\u7684\u9700\u6c42\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":"
              \u63a2\u8ba8Oracle\u548cSybase\u6570...<\/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-199863","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199863","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=199863"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199863\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}