Building a database model using power designer tools

Power Designer Introduce

PowerDesigner yes Sybase A software of the company , It is convenient to analyze and design the system , His database design process is almost complete . utilize PowerDesigner You can make a data flow chart 、 Conceptual data model 、 Physical data model 、 Object oriented model .

In the project design phase, we usually use PowerDesigner Database design . Use PowerDesigner It can more intuitively show the relationship between tables in the database , And you can directly export the corresponding table creation statements .

Power Designer Use

Create a physical data model

Operation steps ：

（1） Creating a data model PDM

（2） Select the database type

（3） Create tables and fields

Specified table name

Create fields

Set a field property , Right click the field

Add a foreign key constraint

from PDM export SQL Script

Can pass PowerDesigner The design of the PDM The model is exported as SQL Script , as follows ：

Reverse engineering

Above we are the first to create PDM Model , And then through PowerDesigner The functions provided are exported SQL Script . In fact, this process can also be reversed , That is, we can go through SQL Script reverse generation PDM Model , This is called reverse engineering , The operation is as follows ：

Generate database report file

adopt PowerDesigner Features provided , Can be PDM Model generation report file , The specific operation is as follows ：

（1） Open the report wizard window

（2） Specify the report name and language

（3） Select report format and style

（4） Select the object type

（5） Perform the build operation