Http://www.cnblogs.com/SameZhao/p/6184924.html
The Productmajorversion product major version number is as follows:
12 for SQL SERVER 2014
11 for SQL SERVER 2012
10.5 for SQL SERVER 2008R2
10 for SQL SERVER 2008
9 for SQL SERVER 2005
The product version has a standard release number MM.NN.BBBB.RR, such as: 10.0.1600.22
MM-Main version
NN-minor version
BBBB-Build Number
RR-Internal Revision number
The product level instance version levels, such as:
' RTM ' = Original release version originally released
' SPn ' = Service pack version
' CTPN ' = Community Technology Preview Version Community Technology previews
The current build type of the Productbuildtype product, such as
OD = OD is published to the Web for special customers
GDR = GDR released through Windows Update
NULL = Not Applicable none
The Productbuild product build, such as: 4425
The Productupdatelevel product update level, such as
CUn = Cumulative update cumulative updates, such as CU1, CU2, CU3
NULL = Not Applicable none
The Productupdatereference Product update reference
such as: KB3094221
SQL Release Notes