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Case sensitivity in mysql?

+2 votes
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I have 2 servers, one is running 5.5.25a and the other 5.0.77. They both have the same collation and character set:

mysql> SELECT COLLATION(VERSION());
+----------------------+
| COLLATION(VERSION()) |
+----------------------+
| utf8_general_ci |
+----------------------+
1 row in set (0.00 sec)

mysql> show variables like '%_server';
+----------------------+----------+
| Variable_name | Value |
+----------------------+----------+
| character_set_server | utf8 |
| collation_server | utf8_bin |
+----------------------+----------+
2 rows in set (0.00 sec)

Yet the 5.5.25a server is case sensitive as you would expect, but the 5.0.77 is not. How can I make the 5.0.77 server case sensitive?

posted May 20, 2014 by Satish Mishra

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Please provide the output of   SHOW VARIABLES LIKE 'character_set_%'; and SHOW VARIABLES LIKE 'collation_%';

and also explain what exactly you mean by "is case sensitive". Are you referring to database and table names being case sensitive here, or to comparisons (=, LIKE) on textual values? Seeing a few example queries and the different results returned by 5.0 and 5.5 would help.

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