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ERWin中生成Oracle数据库

Jun 07, 2016 pm 05:00 PM
database

一,关于连接Oracle数据库 ①,正常连接生成数据库的 当然要生成数据库之前必须先连接Oracle。 1,首先选择数据库类型

一,关于连接Oracle数据库

     ①,正常连接生成数据库的

     当然要生成数据库之前必须先连接Oracle。

    1,首先选择数据库类型:DataBase--->Choose DataBase:

2,建立连接:

DataBase-->DataBaseConnection:

刚开始对这里的Connection 一直不知道填写什么。其实填写您的Oracle服务名称也就是:

VARDENOR=
  (DESCRIPTION=
    (ADDRESS=
      (PROTOCOL=TCP)
      (HOST=VARDEN)
      (PORT=1521)
    )
    (CONNECT_DATA=
      (SERVER=dedicated)
      (SERVICE_NAME=VardenOrcl)
    )
  )

这里的名字 VARDENOR

单击连接就OK了。

②,现在还么有解决的问题就是单击Services 下的Connection 虽然弹出的界面和上图一样,但是就是不能成功!

待解决!!!

****************************************************************

生成时报错!!!!!!!

在ERWin中生成Oracle数据库报告 ORA-00902: 无效数据类型

今天在ERWin 7.2.5中生成数据库时报告如下错误:

ORA-00902: 无效数据类型

Execution Failed!


ALTER TABLE T_RoleToAuthority
 ADD (CONSTRAINT  to FOREIGN KEY (role_ID) REFERENCES T_Role(role_ID))

ORA-00902: 无效数据类型

Execution Failed!


其中对应的物理模型图:

其中1:N的关系如图:

解决办法:

1,刚开始默认的 : Foreign Key Constraint Name 是 to 或者是空。

2,在逻辑模型中将关系的名字一定要更改!!!

3,,一般都是由 R/21 改为想要的英文名字 一定记住这里点击 Reset 将to或者空的赋值,不然一定会报错的!!

就像这样:

ALTER TABLE T_RoleToAuthority
 ADD (CONSTRAINT  to FOREIGN KEY (role_ID) REFERENCES T_Role(role_ID))

ORA-00902: 无效数据类型

Execution Failed!

暂时写在这里!!厉害的大哥帮忙解决 单击Services 下的Connection 虽然弹出的界面和上图一样,但是就是不能成功问题!

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