SQL Server Versions and Editions
There are currently four versions of SQL Server at play in the real world (2012, 2008, 2005, Azure) with one currently in development at the moment. Consider SQL Server 2008 R2 to be the same release as SQL Server 2008 as they both have the same Mainstream Support Retire Date.
|Status||Version|| Release Date||Mainstream|
|Current||SQL Server 2012|| 1st April 2012||~|
|Incumbent||SQL Server 2008 R2||21st April 2010||14th January 2014|
| Extended Support||SQL Server 2008||6th August 2008||14th January 2014|
| Cloud Computing||SQL Azure|
|Future|| SQL Server 2014|| Q4 2014 ?|
SQL Server 2012 Enterprise Edition
SQL Server 2012 Business Intelligence Edition
SQL Server 2012 Standard Edition
SQL Server 2012 Web Edition
SQL Server 2012 Developer Edition
SQL Server 2012 Express Edition
SQL Server 2012 Compact Edition
The next version may be released in 2014, called naturally SQL Server 2014. Whether it's SQL Server 2014, SQL Server 2015 or maybe SQL Server 2016, we'll be on it. It's because that's what we do. SQL Server.