Upgrade from Microsoft Dynamics CRM 2013 to CRM 2015

Hi All,

we are planning to upgrade MS SQL and CRM version from CRM 2013 (MS SQL Version: SQL Server 2012) to CRM 2015 (MS SQL Version: SQL Server 2014).

Can you please share impact analysis document/or comments if you faced during above upgrade.And also please let me know what are prerequisites for SQL 2014 while upgrading to CRM 2015.