PowerDesigner creates a database model (conceptual model example)

Hello everyone , I meet you again , I'm your friend, Quan Jun .

1. start-up PowerDesigner

（ I am using PowerDesigner16.7 Cracked versions ） Choose to create a new conceptual model for database design E-R Model aided design

2. Design of conceptual model

Entity ： Select solid graphics , stay “ Drawing ” Click to draw out the entity , Double click to name it , choice Attributes Add all its properties . Pay attention to all name Can be marked in Chinese , With good understanding ; however code It must be marked in English , To facilitate the operation and processing of the Library （PowerDesigner Convert database .sql file , All table names , Attributes, etc code）. Name each attribute , And select the corresponding data type ,PowerDesigner Support all SQLserver2017 The type of data in , All optional types are available . In the attribute column M Indicates that mandatory cannot be empty ;P Indicates that the main code is Prime key;D Presentation display Display.

Click on Entity, Then move the mouse , Click once in the main panel to add an entity

Switch back to normal mouse mode , Double click the added entity , The dialog box for setting properties pops up , stay General In the tab, you can set the Name and Code Equal attribute ：

Switch to Attributes Tab can add attributes of entities ：

After setting, see the following figure ：

3. Test model

from [Tools] From the menu [Check Model]. here , Will appear [Check Model Parameters] Dialog box . You can use the default parameters . single click [ determine ] here , stay [Result List] It will show [Check Model] Result .

4. Generating physical models

When CDM If there is no error in the diagram check, you can select [Tools], appear [Generate Physical Data Model… ] Options , Parameters can be set , Then click OK , Generating physical models .

5. Generate database

Remember to change before generating the database DBMS：

On the menu Database Choose Generate Database Options -> choice SQL server2017 Database system -> Select the file storage path -> Generate database , Such as project.sql file . Then you can enter SQL server2017 in , After creating a new database , open project.sql And execute the file , Just by PowerDesigner All objects in the designed database , Thus completed the entire database design .

Confirm after changing the parameters , Then I open VS2019 Connect to database , And then run sql File created database （ First, right-click to create the database ,sql Files can be directly dragged into the query window , Change the database name established by the Database window , Then run it ）：

For specific steps, see ：https://www.cnblogs.com/xdp-gacl/p/3619068.html

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