Finally, after rounds of CTPs (Community Technology Previews) and great feedback from customers, we have officially released Service Pack 2 (SP2) for SQL 2005.

• Download SP2
  You can download it by visiting the Microsoft website here.
  
  
• Enhancements in SQL 2005 SP2
  SP2 provides several new features and improvements. You can learn about them here.
  
  
• Download SQL 2005 SP2 Sample databases
  You can download the sample databases and learn about their enhancements by visiting here.
  
  
• Download Books Online refresh for SP2
  Books online gets updated with every release of service pack. Please download the latest version by visiting here.

As with every service pack, please make sure that you first test it out on your test and QA environment, before putting it to the production server.

Posted By: Sanchan Saxena