vendredi 3 avril 2015

MS Access: adding column if not exist (or try/catch it)


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this is an easy question, but I can't find out the solution...


I have to check if a column exists and add it if the test is negative. How can I do with only sql code?


This is the syntax for SQL Server:



IF NOT EXISTS (
SELECT *
FROM sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
BEGIN
--STUFF HERE
END


and for MS Access, using only SQL code... what is the right syntax to do it?


UPDATE: also a way to do a try cath statement would be ok, I only need to not add anything if it doesn't exist... so, also a try catch is ok, I think. Also try catch is easily possible to use in sql server... and for access?



asked 2 mins ago







MS Access: adding column if not exist (or try/catch it)

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