列出所有具有数据类型的标量函数

Question

i want to executable query which is return all scalar function with datatype in Database.Thru the below query we can get the scalar function

select * from sys.objects where type = 'FN'

but i want to return only those function which has return datatype is 'Nvarchar'

Answer 1

Try this -

SELECT
    so.name,
    sp.parameter_id,
    sp.name,
    sp.user_type_id
FROM sys.objects so
INNER JOIN sys.parameters sp
    ON sp.object_id = so.object_id
WHERE so.type = 'FN'
AND sp.parameter_id = 0
AND sp.user_type_id = 231