I've been working with PHP and mySQL for the past couple years, but haven't really had the 'chance' to explore much further. I see several job listings talk about postgreSQL and msSQL and such.

MySQL vs SQL Server. This article will tell you the difference between MySQL and SQL Server in brief. SQL stands for Structured Query Language. MySQL is a database management system, like SQL ...

I'm looking at the MySQL docs online, and it's not really clear to me which datatype I should use, since their differences are not conveniently stated. ••• Quote Report A ...

The differences in processing efficiency between MySQL’s three character storage types should not have a big impact on processing times unless your data sets are extremely large.