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Comparing a string consisting of two single quotes

I had this issue of comparing two strings having two single quotes each. It was like comparing string "''" with "''".

This is how I did it:

SELECT * FROM TABLE_NAME
WHERE
TRIM(BEFORE_VALUE)!=''''''

-- This query will return all records where BEFORE_VALUE (which is a VARCHAR(50) column) does not have string "''".
Jan 19 '12 #1
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