This scalar udf takes three parameters @Number INT, @Length INT, @Position CHAR(1) and returns a VARCHAR(50) string which pads @Number with zeros to the specified @Length either to the right or to the left, according to @Position ('L' or 'R').E.g. SELECT dbo.udf_PadNumber(5, 6, 'L') returns '000005' whereas SELECT dbo.udf_PadNumber(5, 6, 'R') returns '500000'. The function […]
2006-03-13 (first published: 2004-08-25)
159 reads
A script was recently published (Last_Date_Of_Month) that returns the last day of a given month/year combination. I have simplified and improved on that script by eliminating the need to use a WHILE loop. This new script exploits the flexibility of the DATEADD function which allows you to assign negative numbers (thus effectively subtracting a given […]
2004-09-30
159 reads
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If I create a multiple column Primary Key constraint, what is the most number of bytes I can include in the constraint?
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