Eljakim questions

Eljakim answers

• Check if a column is indexed - MySql
• Do I need to protect login?
• mysqltuner.pl on a windows 2008 server r2
• How do I select noncontiguous characters from a string of text in MySQL?
• Why CONCAT() does not default to default charset in MySQL?
• mysql forgets who is logged in: command denied to user ''@'%'
• How do I enable error reporting in PHP? [duplicate]
• To cast or not to cast?
• Is there a MySQL utf8 collation that will not conflate accented characters?