In Websites we display the data which fetch from database using string based conditions.
OR
Login Feature / Change password Featured based on string based conditions.
OR
Show the user detils behalf on user slug like "http://example.com/users/user-slug-value"
If you want to make your SQL Query as case sensitive, We have following 3 ways.
- Do at MySQL Server Level
 Set Following in /etc/mysql/my.cnf (Works for >MySQL 5.5 only)character-set-server=utf8 collation-server=utf8_bin 
- Set the column as Case sensitive,For Example
 ALTER TABLE `users` CHANGE `name` `name` VARCHAR(100) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL; 
- Set the Query as case sensitive, For Example
 SELECT * FROM `users` WHERE BINARY `name` = 'raJ' 

