Chapter 3 Building Physical Diagrams


Types of abstract data types used in PowerDesigner

Depending on the current DBMS, the following groups of abstract data types can be represented in PowerDesigner:

Type Description Example
Array Fixed length collection of elements VARRAY (Oracle 8 and higher)
List Unfixed length collection of objects TABLE (Oracle 8 and higher)
Java Java class JAVA (Adaptive Server Anywhere, and Adaptive Server Enterprise)
Object Contains a list of attributes and a list of procedures OBJECT (Oracle 8 and higher)
SQLJ Object Contains a list of attributes and a list of procedures SQLJ OBJECT (Oracle 9i and higher)
Structured Contains a list of attributes NAMED ROW TYPE (Informix 9.x, and IBM DB2 5.2)

 


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