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数据库系统原理课程设计实验（java模拟DBMS）

上传者： csdn1154366625 | 上传时间： 2019-12-21 19:36:19 | 文件大小： 266KB | 文件类型： zip
一、用高级程序设计语言创建数据库。具体包括： （1）实现SQL的建库语句，建立相应的数据库表，并填写数据字典。 （2）实现表模式的修改功能。 ① 能够为已建立的表添加属性。 ② 能够从已建立的表中删除属性。 （3）实现删除表功能。 （4）实现创建索引的功能。 （5）实现删除索引的功能。 二、使用java高级程序设计语言，实现SQL语句中的数据维护操作和查询操作。 （1）往已经创建的表中插入元组。 （2）从已经创建的表中删除元组。 （3）修改表中的数据。 （4）实现SELECT语句: ① 实现单表上的选择和投影操作。 ② 实现多表的连接操作。 ③ 实现多表的选择、投影和连接的混合操作。 ④ 实现索引关系的上述操作。 （5）用java语言实现启发式关系代数优化算法 三、根据数据字典（DD）实现对数据库的完整性约束的机制

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评论信息

  • tang_1993 :
    可是我还没看啊。。。
    2018-01-07
  • sinat_36382050 :
    评论试试看
    2017-11-13

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