I have a variable (a varchar) in my procedure that contains something like:
{A6DF61AB-8CBF-4E1C-890B-15A7710C7D9C}
what should I do to have
A6DF61AB-8CBF-4E1C-890B-15A7710C7D9C
(without the '{' and '}') instead?
Always same length and always leading and trailing character
Substring is going to do this for you. The way this works is it takes the string starting from the 2nd character (excludes the first character) and uses the length of the string itself minus 2 to exclude the final character.
CREATE TABLE #SampleData (StringValue nvarchar(100))
INSERT INTO #SampleData
VALUES
('{A6DF61AB-8CBF-4E1C-890B-15A7710C7D9C}')
SELECT
StringValue
,SUBSTRING(StringValue,2,LEN(StringValue)-2) NewValue
FROM #SampleData
DROP TABLE #SampleData
Results;
StringValue NewValue
{A6DF61AB-8CBF-4E1C-890B-15A7710C7D9C} A6DF61AB-8CBF-4E1C-890B-15A7710C7D9C