mysql 테이블 대소문자 구분
varchar() = 대소문자 구분 안함
varbinary() = 대소문자 구분
mysql> SELECT * FROM TOKEN_DIC WHERE token_name = ‘icon’;
+————+
| token_name |
+————+
| icon |
| ICON |
+————+
2 rows in set (0.51 sec)
mysql> SELECT * FROM TOKEN_DIC WHERE token_name = binary( ‘icon’ );
+————+
| token_name |
+————+
| icon |
+————+
1 row in set (0.52 sec)
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