查詢時加上binary關鍵詞就能在查詢時區分字符大小如下：
mysql> select name from pe where binary name='Claws';
+-------+
| name |
+-------+
| Claws |
+-------+
mysql> select name from pe where binary name='claws';
Empty set (0.00 sec)
like條件的使用：
mysql> select name from pe where name like binary 'c%';
Empty set (0.00 sec)
mysql> select name from pe where name like binary 'C%';
+-------+
| name |
+-------+
| Claws |
+-------+