[Description] Defaults to native for Microsoft SQL Server Publishers. For non-SQL Server Publishers, defaults to character when the value of repl_freq is Snapshot and to concurrent_c for all other cases. [Value] 
NULL (default)
n a t i v e
c h a r a c t e r
c o n c u r r e n t
c o n c u r r e n t _ c
d a t a b a s e s n a p s h o t
d a t a b a s e s n a p s h o t c h a r a c t e r
N U L L ( d e f a u l t )