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title: PowerDesigner
date: 2022-12-07 9:05:31
author: 文永达
top_img: https://gcore.jsdelivr.net/gh/volantis-x/cdn-wallpaper/abstract/B951AE18-D431-417F-B3FE-A382403FF21B.jpeg
---
# PowerDesigner
## 简介
PowerDesigner是图形化的建模环境,几乎包括了数据库模型设计的全过程。利用PowerDesigner可以制作数据流程图、概念数据模型、物理数据模型,可以生成多种客户端开发工具的应用程序。它可与许多流行的数据库设计模型。
## 新建数据库物理模型
File -> New Model...
![image-20221207094426837](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207094426837.png)
Model types -> Physical Data Model -> Physical Diagram
![image-20221207094525649](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207094525649.png)
DBMS可以选择数据库
![image-20221207094631013](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207094631013.png)
## 修改当前DBMS
Database -> Change Current DBMS
![image-20221207094737302](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207094737302.png)
New 选择要修改的DBMS
![image-20221207094815942](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207094815942.png)
## 根据Name生成Comment
### SQL Server
Tools -> Resources -> DBMS...
![image-20221207095510030](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207095510030.png)会弹出DBMS 列表
![image-20221207095551772](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207095551772.png)
为了不修改原有的,所以这里选择新建一个DBMS,选择New
![image-20221207095726544](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207095726544.png)
取名,选择拷贝原有的DBMS
![image-20221207095817293](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207095817293.png)
另存到默认路径
![image-20221207095910048](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207095910048.png)
接着会弹出DBMS属性页面
![image-20221207100021926](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207100021926.png)
修改关键特征树,在 Script\Objects\Table\TableComment和Script\Objects\Column\ColumnComment位置的直修改如下:
修改TableComment
![image-20221207100115731](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207100115731.png)修改右侧Value
```sql
EXECUTE sp_addextendedproperty 
N'MS_Description', N'%COMMENT%', N'user', N'%OWNER%', N'table', N'%TABLE%', NULL, NULL
```
![image-20221207100228921](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207100228921.png)
修改ColumnComment
![image-20221207100356529](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207100356529.png)
```sql
EXECUTE sp_addextendedproperty 
N'MS_Description', N'%Name%', N'user', N'%OWNER%', N'table', N'%TABLE%', N'column', N'%COLUMN%'
```
确定即可
修改生成数据库
Database -> Generate Database
![image-20221207101015449](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207101015449.png)
弹出对话框
选择Format 勾选 Generate name in empty comment
![image-20221207101114940](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207101114940.png)
否则当你备注为空的时候注释出不来;反之,如果你备注不为空那么名称(Name)才能作为注释出现!!
测试是否成功生成
![image-20221207101314310](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207101314310.png)
成功生成
### MySQL
Database -> Edit Current DBMS...
![image-20230310235910566](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230310235910566.png)
#### 表注释
左侧菜单 Script -> Objects -> Table -> TableComment
![image-20230311000046142](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311000046142.png)
```tex
alter table [%QUALIFIER%]%TABLE% comment %.60qA:COMMENT%
```
#### 字段注释
左侧菜单 Script -> Objects -> Column -> Add
![image-20230311000912484](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311000912484.png)
将
```tex
%20:COLUMN% [%National%?national ]%DATATYPE%[%Unsigned%? unsigned][%ZeroFill%? zerofill][ [.O:[character set][charset]] %CharSet%][.Z:[ %NOTNULL%][%R%?[%PRIMARY%]][%IDENTITY%? auto_increment:[ default %DEFAULT%]][ comment %.q:@OBJTLABL%]]
```
修改为
```tex
%20:COLUMN% [%National%?national ]%DATATYPE%[%Unsigned%? unsigned][%ZeroFill%? zerofill][ [.O:[character set][charset]] %CharSet%][.Z:[ %NOTNULL%][%IDENTITY%? auto_increment:[ default %DEFAULT%]][ comment %.q:COMMENT%]]
```
#### 代码生成
点击菜单Database-->enerate Database
![image-20230311001120719](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311001120719.png)
出现Database Generation屏幕:在Format tab页中,勾选Generate name in empty comment
单击确定就可以生成相应的代码,代码中就会出现上面的注释了。
![image-20230311001246849](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311001246849.png)
## 在修改name的时候,code的值将跟着变动
PowerDesign中的选项菜单里修改,在[Tool]-->[General Options]->[Dialog]->[Operating modes]->[Name to Code mirroring],这里默认是让名称和代码同步,将前面的复选框去掉就行了。