Compare a byte[] or a Base64String to a T-SQL timestamp

Question

How to compare something like this: AAAAAA1iUFw= (a Base64String converted from a Byte Array) to something like this 0x000000000BFF1E5A (T-SQL)?

I wanna find the tablerow by this base64String like:

select * from table1 where timestampCol = 'AAAAAA1iUFw='

Answer 1

Casting value to varbinay will help:

-- Convert Base64 value to varbinary 
select cast ('AAAAAA1iUFw=' as varbinary(20))