FIX: You may receive an incorrect result when you run a query that uses the ROW_NUMBER function together with a left outer join in SQL Server 2008 posted on Jan 19, 2011 von Frank Kalis in Links
FIX: Poor performance may occur when you execute a query that contains multiple self-join operations on the same column in SQL Server 2005 and in SQL Server 2008 posted on Jan 19, 2011 von Frank Kalis in Links
Adventures in query tuning: non-seekable WHERE clause expressions posted on Jan 17, 2011 von Frank Kalis in Links
FIX: Poor performance and some occasional non-yielding scheduler errors occur when you create a complex view that references a large amount of nested views or tables in SQL Server 2008 or in SQL Server 2008 R2 posted on Dez 29, 2010 von Frank Kalis in Links
FIX: Query performance decreases after you upgrade to SQL Server 2008 or SQL Server 2008 R2 from SQL Server 2000 if the query uses a user-defined scalar function posted on Dez 29, 2010 von Frank Kalis in Links
FIX: Poor performance may occur when you execute a query that contains multiple self-join operations on the same column in SQL Server 2005 posted on Dez 27, 2010 von Frank Kalis in Links
User Defined Function May Return Incorrect Query Result When It Is Used in a Group By Clause posted on Nov 19, 2010 von Frank Kalis in Links