What is SQL Server "Denali"? What's new? I found a new title called SQL Server "Denali" in the drop down list on MSDN, but I didn't find much information about it:


What's New (this documentation is for preview only as I see)
Top 9 New Features of SQL Server "Denali"


Does anyone have more detailed information about new features or significant bug fixes in this release? I'm hoping someone has used or tested it.

New Features


Sequences
Extended FILESTREAM (thanks to Eric Humphrey)
OFFSET &amp; FETCH (ORDER BY Clause) 
Memory Manager Changes
LAG(..) and LEAD(..) .. OVER (Partition By..Order By) clause (thanks to gbn)
Aaron's list
The new features include : 


Multi-Subnet Failover Clustering  
Programming Enhancements including sequences, ad-hoc query paging and full-text search tweaks  
BI and Web Development Environment Improvements  
Web-based Visualization  
Data Quality Services enhanced 


You can view the detailed review here :  New Features Of Denali  

"Denali" is a code name. Here is the list of the code name of other versions of SQL Server:


1993 – SQL Server 4.21 for Windows NT  
1995 – SQL Server 6.0, codenamed SQL95  
1996 – SQL Server 6.5, codenamed Hydra  
1999 – SQL Server 7.0, codenamed Sphinx  
1999 – SQL Server 7.0 OLAP, codenamed Plato  
2000 – SQL Server 2000 32-bit, codenamed Shiloh (version 8.0)  
2003 – SQL Server 2000 64-bit, codenamed Liberty  
2005 – SQL Server 2005, codenamed Yukon (version 9.0)  
2008 – SQL Server 2008, codenamed Katmai (version 10.0)  
2010 – SQL Server 2008 R2, Codenamed Kilimanjaro (aka KJ)  
2011 – SQL Server 2012, Codenamed Denali