国内常见计算机数据库管理系统的性能对照表

Author: 谢开亮 Date: 1994-01-14
        记录数         10亿        10亿            10亿      10亿       10亿        无限
        字段数/记录      128个       128个           128个     128个      255个       254个
        字符数/字段      254字节     254字节         254字节   254字节    254字节     240字节
        字符数/记录     4000字节    4000字节        4000字节  4000字节   4000字节    60K字节
        内存变量个数     256个       256个           3600个    3600个     15000个     ---
        数组         否          是              是        是         是          ---
        工作区数       10个        10个            10个      25个       10个        ---
        索引文件数      7个         7个             7个       25个       7个         ---
        同时打开文件数   15个        15个            48个      48个       99个        ---