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Prior to SQL Server 11 when you add a new non-NULLable column with default values to an existing table a size-of data operation occurs: every row in the table is updated to add the default value of the new column. For small tables this is insignificant, Read More...
How do large-scale sites and applications remain SQL-based? is a recent article from Michael Rys (Blog|Twitter) that highlights the relational SQL Server based web-scale deployment at MySpace. I have talked before about how MySpace uses Service Broker Read More...
A new error started showing up in SQL Server 2008 SP2 installations: The database cannot be opened because it is version 661. This server supports version 662 and earlier. A downgrade path is not supported. 661 sure is earlier than 662, so what seems Read More...
Query Notifications is the SQL Server feature that allows a client to subscribe to notifications that are sent when data in the database changes irrelevant of how that change occurs. I have talked before about how Query Notifications works in the article Read More...
Tomorrow at SQL Saturday #43 in Redmond I’ll be presenting a session documenting the real-time audit and ETL the Microsoft uses to manage the access policies on its network. This presentation goes over some of the challenges posed by a contiguos, Read More...
Do you know anybody that is interested in a 6mo-12mo contract position in Seattle (Redmond) area for a very interesting SQL Server project? Position requires good system architecture and development skills. Your main job will be writing T-SQL code for Read More...