[sql] SQL User Defined Function Within Select

I have a user defined function in SQL called getBuisnessDays it takes @startdate and @enddate and returns the number of business days between the two dates. How can I call that function within my select?

Here's what I'd like to do..

SELECT getBusinessDays(a.opendate,a.closedate) 
FROM account a
WHERE ...

This question is related to sql sql-server select user-defined-functions

The answer is


If it's a table-value function (returns a table set) you simply join it as a Table

this function generates one column table with all the values from passed comma-separated list

SELECT * FROM dbo.udf_generate_inlist_to_table('1,2,3,4')

If it's a table-value function (returns a table set) you simply join it as a Table

this function generates one column table with all the values from passed comma-separated list

SELECT * FROM dbo.udf_generate_inlist_to_table('1,2,3,4')

If it's a table-value function (returns a table set) you simply join it as a Table

this function generates one column table with all the values from passed comma-separated list

SELECT * FROM dbo.udf_generate_inlist_to_table('1,2,3,4')

Use a scalar-valued UDF, not a table-value one, then you can use it in a SELECT as you want.


Use a scalar-valued UDF, not a table-value one, then you can use it in a SELECT as you want.


If it's a table-value function (returns a table set) you simply join it as a Table

this function generates one column table with all the values from passed comma-separated list

SELECT * FROM dbo.udf_generate_inlist_to_table('1,2,3,4')

Use a scalar-valued UDF, not a table-value one, then you can use it in a SELECT as you want.


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