Link to download free SQL Server 2012 express is given below:
It includes SQL Server Express LocalDB and a new lightweight deployment option.
Category: SQL Server Download
sql server documentation free download pdf
Links to download sql server documentation:
SQL Server 2012:
Product Documentation for Microsoft SQL Server 2012
SQL Server 2008 r2:
Microsoft SQL Server 2008 Books Online
SQL Server 2008:
SQL Server 2008 R2 Books Online
Microsoft SQL Server Protocol Documentation in PDF
SQL Server 2005:
SQL Server 2005 Books Online
Note: Currently books online is not available as pdf download.
sql server 2008 r2 sp1 cu5
You can download Cumulative update package 5 for SQL Server 2008 R2 Service Pack 1 using the below link:
Cumulative update package 5 for SQL Server 2008 R2 Service Pack 1
sql server 2008 r2 cumulative update list given below:
Other Cumulative update packages download links for SQL Server 2008 R2 Service Pack 1:
Cumulative update package 6 for SQL Server 2008 R2 Service Pack 1
Cumulative update package 4 for SQL Server 2008 R2 Service Pack 1
Cumulative update package 3 for SQL Server 2008 R2 Service Pack 1
Cumulative update package 2 for SQL Server 2008 R2 Service Pack 1
Cumulative update package 1 for SQL Server 2008 R2 Service Pack 1