Miscellaneous functions perform operations on arithmetic, string, or date/time expressions, including the return values of other functions.
Table 5-12 lists the miscellaneous functions and their parameters.
Miscellaneous functions  | 
Parameters  | 
|---|---|
ARGN  | 
( integer-expr, expression [, ...] )  | 
COALESCE  | 
( expression, expression [, expression ...] )  | 
IFNULL  | 
( expression1, expression2 [, expression3 ] )  | 
ISNULL  | 
( expression, expression [, expression ...] )  | 
NULLIF  | 
( expression1, expression2 )  | 
NUMBER  | 
( * )  | 
ROWID  | 
( table-name )  | 
Adaptive Server Enterprise does not support these miscellaneous functions.