Miscellaneous functions

Function

Miscellaneous functions perform operations on arithmetic, string, or date/time expressions, including the return values of other functions.

Table 4-16 lists the miscellaneous functions and their parameters.

Table 4-16: Miscellaneous functions

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 )

Compatibility

Adaptive Server Enterprise supports only the COALESCE, ISNULL, and NULLIF functions.