User-defined Data Type Basics
This article discusses an often-overlooked feature of SQL Server called user-defined data types.
2002-12-17
8,238 reads
Don Frazier
FirstDayOfMonth() and LastDayOfMonth() functions
Here are a couple of handy date functions that pretty much describe themselves. You can use these to figure out how many days are left in a month.
2002-12-08
647 reads
zPad() - add leading zeros to a number
This user-defined function converts a number to character format and adds leading zeroes to pad the field to a specified length. useful for displaying SSNs or other numeric fields where the leading 0's are significant but the field is stored as numeric.To use:select dbo.zPad(, )make sure your length includes an extra column for the sign. […]
2002-12-05
445 reads
Convert a number to words
This is a handy function that converts a number (integer) into its word format. This might be handy if you need to print a check formatted number in words. Currently it supports an integer but it would be almost nothing to convert to support a bigint or decimal.The components are1) a table named PlaceValue that […]
2002-12-04
402 reads
PACK() user defined function
Convert a decimal number to IBM EBCDIC packed decimal format. If for some reason you need to export a number to IBM systems in native format, you can define a SQL Server field as binary(8) and Pack() your decimal number into it. Then IBM mainframes and COBOL/CICS systems can read the numbers from your data […]
2002-12-04
568 reads
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Question of the Day
Finding Trailing Spaces
I have some data in a SQL Server 2025 database. It looks like this for the dbo.Customer table:
CustomerID CustomerName PreferredName 1 Steve Steve 2 Andy Andy 3 Brian Brian 4 Allan Allan 5 Devin Devin 6 Steve Steve 7 Sally SallyI want to detect which names have a single trailing space. The CustomerName is a varchar() and the PreferredName is a CHAR(). Does this query detect the problem rows?
SELECT
CustomerID,
CustomerName,
PreferredName
FROM Customer
WHERE CustomerName <> RTRIM(CustomerName)
OR PreferredName <> RTRIM(PreferredName); See possible answers