Technical Article

WorkingDaysDiff complementary UDF for DATEDIFF

We frequently have to work out a date based on a number of working days before or after a specified date, excluding Saturdays and Sundays.Attached is the script to create the function.  I call another function called fn_Midnight which was designed to help whe programmers get a date with no time portion without having to […]

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2002-10-22

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Question of the Day

The Range of Customers

I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):

orderid orderdate               customerid complete
3       2025-05-10 00:00:00.0002          1
21      2024-01-10 00:00:00.0003          1
15      2023-10-28 00:00:00.0004   1
13      2025-03-08 00:00:00.0006          1
11      2024-04-02 00:00:00.0007          1
If I run this query, how many rows are returned?
SELECT *
 from dbo.OrderHeader
 where customerid between 3 and '6'

See possible answers