Today, April 1st 2014, Microsoft made the new SQL Server 2014 release generally available. The biggest news is the addition of the new high performance In-Memory OLTP which is available in the SQL Server 2014 Enterprise Edition. In addition, the new release supports encrypted backup as well as backup and AlwaysOn integration with Azure.
The new SQL Server 2014 family consist of:
- SQL Server 2014 Enterprise Edition
- SQL Server 2014 Business Intelligence Edition
- SQL Server 2014 Standard Edition
- SQL Server 2014 Express Edition
You can find a detailed description of the differences in the features supported in each edition at Features Supported by the Editions of SQL Server 2014.
Official SQL Server Blog Announcement: SQL Server 2014 now Generally Available
Apart from these mainstream editions Microsoft also offers:
- SQL Server 2014 Developer Edition
- SQL Server 2014 Evaluation Edition
The SQL Server 2014 Developer Edition and Evaluation Edition both offer the same feature set as the SQL Server 2014 Enterprise Editions. The Developer edition is licensed per single developer while the Evaluation edition provides a 180-day trial.