1. Create a new model
Open PowerDesigner and click as shown in Create Model...the figure:
Or click on the 文件menu bar 新建模型to create a new one, as shown in the figure:
After the new creation, you will switch to the model type ( Model types) tab, select Physical Data Model(Physical Data Model), and then select Physical Diagram, as shown in the figure:
After selecting, in Enter below 模型名称and 数据库类型click OKto create a new one.
2. Table design
After the model is created, click the table icon on the right and create the table in the left panel as follows. Double-click the table, find the tab, and Columnsadd column fields to the database table, as shown in the picture: As
shown in the picture above, the created table has no Commentdescription by default. Field
If we want to display Commentthe description field, we need to double-click the table, then enter Columnsthe options page, click Customize Columns and Filterthe button, and then check it Comment, as shown in the figure:
After we check Commentand save, we see it in Table Propertiesthe window Columnstab page Comment, As shown in the picture:
However, after saving and returning to the design view, the Comment information is still not seen, which is very inconvenient for our design. At this time, we find the -> button
in the toolbar , as shown in the picture: Create a new one in the opened dialog box, and then Click the button, as shown in the picture: Right click, click , as shown in the picture: Select , then click , as shown in the picture: Then select , right click and select -> , as shown in the picture: Name a name (such as AttributeComment), select String as dataType, select Computer, Read only Note: You cannot use Comment for the name because it is a built-in name. If you use it, you will be prompted to have a duplicate name, as shown in the figure: Switch to模型Extensions
List of Extensions属性
ProfileAdd Metaclasses
ColumnOK
ColumnNewExtended Attribute
Get Method Script tab%Get% = ""Change to %Get% = Rtf2Ascii (obj.Comment), as shown in the figure: Confirm to save, return to the view interface, find ->
in the toolbar, as shown in the figure: click -> in sequence , as shown in the figure: select , and then click the button on the right side, as shown in the figure: Find the previously set , check and save, as shown in the figure: Return to the view interface, and the fields can be displayed now , as shown in the figure:工具显示首选项
TableAdvanced
ColumnsList ColumnsSelect
AttributeComment
tableComment
