[SQL] LIKE operator and string comparison

[Wei Weng]

I used the following SQL code to match '\foo\bar'
SELECT text FROM test WHERE text LIKE '\\\\foo\\\\%'
But if I choose to use string comparison, instead of 4 escape characters, I 
only need 2.

SELECT text FROM test WHERE text = '\\foo\\bar'
Why is that?
I am using PostgreSQL 7.4, and the SQL code was entered through psql.
Thanks!
Wei
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