key 
Base Table  PZ 
Attribute Name  key 
ColumnName  key 
Logical Rolename   
RoleName   
Definition  This attribute denotes a unique identifier for a response (poles & zeros) 
Note   

name 
Base Table  PZ 
Attribute Name  name 
ColumnName  name 
Logical Rolename   
RoleName   
Definition  Descriptive name 
Note   

lddate 
Base Table  PZ 
Attribute Name  lddate 
ColumnName  lddate 
Logical Rolename   
RoleName   
Definition  Load date. Date and time that the record was created or last modified, in Oracle date datatype 
Note