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mysql> SELECT 'a' = 'A'; -> 1 mysql> SELECT BINARY 'a' = 'A'; -> 0 mysql> SELECT 'a' = 'a '; -> 1 mysql> SELECT BINARY 'a' = 'a '; -> 0
SELECT 'a' = 'A';
SELECT BINARY 'a' = 'A';
SELECT 'a' = 'a ';
SELECT BINARY 'a' = 'a ';
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