3/21/2014 is the first full day of Spring, and the first full day of SQL Server 2014 RTM. Undoubtedly the question will be asked when will SharePoint Server 2013 support SQL Server 2014. While it remains early, SharePoint Server 2013 will support SQL Server 2014 with the April Cumulative Update.
SQL Server 2014 Home [http://www.microsoft.com/en-us/server-cloud/products/sql-server/]
What's new in SQL Server 2014 [http://msdn.microsoft.com/en-us/library/bb500435(v=sql.120).aspx]