[Description] Gets a list of DbSyncColumnDescription objects that represent all columns in a table other than the primary key columns. [Name] 
NonPkColumns
C o l u m n s
C o n s t r a i n t s
G l o b a l N a m e
I s T a b l e M a p p e d
L o c a l N a m e
N o n P k C o l u m n s
P k C o l u m n s
U n q u o t e d G l o b a l N a m e
U n q u o t e d L o c a l N a m e