Yes that is new limit published with SQL server 2008 R2 edition. Earlier it was published as 4Gb.
Cetin

>I spotted in the book the requirements and limitations of the variious flavors of SQL Server.... one piqued my interest...
>
>page 13..... of the PDF file version
>
>

>Express This free edition is the best entry-level alternative for independent software
>vendors, nonprofessional developers, and hobbyists building client applications. This
>edition is integrated with Visual Studio and is great for individuals learning about databases
>and how to build client applications. Express is limited to one processor, 1 GB of
>memory, and a maximum database size of 10 GB.
>

>
>Maxiumum is now 10 GB ??? But on the websites I see 4 GB........ http://www.microsoft.com/sqlserver/2008/en/us/editions.aspx
>Anyone know if it really is 10 GB now, or was this a typo??
>
>Thanks!
>
>>http://blogs.msdn.com/microsoft_press/archive/2010/04/14/free-ebook-introducing-microsoft-sql-server-2008-r2.aspx
>>
>>The book contains 10 chapters and 216 pages, like so:
>>
>>PART I Database Administration
>>
>>CHAPTER 1 SQL Server 2008 R2 Editions and Enhancements 3
>>CHAPTER 2 Multi-Server Administration 21
>>CHAPTER 3 Data-Tier Applications 41
>>CHAPTER 4 High Availability and Virtualization Enhancements 63
>>CHAPTER 5 Consolidation and Monitoring 85
>>
>>
>>PART II Business Intelligence Development
>>
>>CHAPTER 6 Scalable Data Warehousing 109
>>CHAPTER 7 Master Data Services 125
>>CHAPTER 8 Complex Event Processing with StreamInsight 145
>>CHAPTER 9 Reporting Services Enhancements 165
>>CHAPTER 10 Self-Service Analysis with PowerPivot 189