Mega Code Archive
To make a string comparison case sensitive, cast (convert) one of the strings to binary form by using the BINA
<![CDATA[
RY keyword.
mysql>
mysql> CREATE TABLE mytable
-> (
-> name VARCHAR(20)
-> );
Query OK, 0 rows affected (0.00 sec)
mysql> INSERT INTO mytable (name)
-> VALUES
-> ('copper'),
-> ('gold'),
-> ('iron'),
-> ('lead'),
-> ('mercury'),
-> ('platinum'),
-> ('silver'),
-> ('tin')
-> ;
Query OK, 8 rows affected (0.00 sec)
Records: 8 Duplicates: 0 Warnings: 0
mysql>
mysql> SELECT * FROM mytable;
+----------+
| name |
+----------+
| copper |
| gold |
| iron |
| lead |
| mercury |
| platinum |
| silver |
| tin |
+----------+
8 rows in set (0.00 sec)
mysql>
mysql>
mysql> SELECT name, name = BINARY 'lead', BINARY name = 'LEAD' FROM mytable;
+----------+----------------------+----------------------+
| name | name = BINARY 'lead' | BINARY name = 'LEAD' |
+----------+----------------------+----------------------+
| copper | 0 | 0 |
| gold | 0 | 0 |
| iron | 0 | 0 |
| lead | 1 | 0 |
| mercury | 0 | 0 |
| platinum | 0 | 0 |
| silver | 0 | 0 |
| tin | 0 | 0 |
+----------+----------------------+----------------------+
8 rows in set (0.00 sec)
mysql>
mysql> drop table mytable;
Query OK, 0 rows affected (0.00 sec)
]]>