PowerDesigner生成数据库建表sql脚本
一、 生成 sql server 2000或oracle建表sql 脚本 1、新建一个物理模型,通过database菜单下的change current dbms可查看当前所用的DBMS是什么类型的,比如sql server 2000 或oracle 10g,当前选择sql server 2000。 2、在新建的dbms为sql server 2000的物理
一、生成sql server 2000或oracle建表sql脚本
1、新建一个物理模型,通过database菜单下的change current dbms可查看当前所用的DBMS是什么类型的,比如sql server 2000 或oracle 10g,当前选择sql server 2000。
2、在新建的dbms为sql server 2000的物理模型中添加表及关系,通过database菜单下的generate database可将当前DBMS的表结构及关系导出成sql语句。
3、若想将sql server 2000的表结构及关系变成oracl 10g的表结构及关系,可通过Tools菜单下的generate physical data model,再选择DBMS为oracle10g,就可生成oracl10g的表结构及关系。
4、若想将oracl10g中的表结构及关系导出成sql语句,执行database菜单下的generate database可将当前DBMS的表结构及关系导出成sql语句。
注意:oracle10g生成的sql语句可能表名及字段名存在用引号括起的情况,不用担心,通过简单的设置即可解决。
二、PowerDesigner生成数据库建表sql脚本时出现双引号解决方法(测试通过的软件版本为PowerDesigner V15.1.0.2850)
PowerDesigner生成数据库建表SQL脚本时,尤其是Oracle数据库时,表名一般会带引号。其实加引号是PL/SQL的规范,数据库会严格按照“”中的名称建表,如果没有“”,会按照 ORACLE默认的设置建表(DBA STUDIO里面),默认是全部大写,这样,在ORACLE数据库里的字段就如“Column_1”。如果你把引号去掉,ORACLE自动默认为全部大写,即“COLUMN_1”,所以这段SQL在PL/SQL中执行的时候是没有任何问题的,如果不加引号,在PL/SQL会自动识别为大写。如果加了引号,sql或者hql查询“Column_1='XXX'”时,就会报错:ORA-00904: "COLUMN_1": 无效的标识符,除非写为“‘Column_1’='XXX'”。
这个问题是生成脚本格式的问题,因此,我们可以尝试在DBMS配置文件中修改相应的格式设置来解决这个问题。选择“DBMS Properties”,选择Script->Sql->Format,有一项CaseSensitivityUsingQuote,它的comment为“Determines if the case sensitivity for identifiers is managed using double quotes”,表示是否适用双引号来规定标识符的大小写,可以看到右边的values默认值为“YES”,改为“No”,点击【应用】按钮。

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