DATEADD fractional numbers are truncated, not rounded. Compare positive and negative day additions while preserving an explicitly typed date input.
SQLAuthority News – Featured on Channel 9
This blog was featured on Channel 9 in This Week on Channel 9, where Scott Hanselman and Jon Galloway talked about my CSV from table column post.
SQL SERVER – ERROR: FIX: Cannot drop server because it is used as a Distributor in replication
Removing replication fails with Cannot drop server because it is used as a Distributor in replication? Two quick commands with sp_dropdistributor fix it.
geometry STTouches: A Shared Boundary Is Not Interior Overlap
geometry STTouches tests whether shapes meet without their interiors intersecting. I keep that predicate separate from a general intersection check. Sharing an edge and sharing an area are different spatial relationships.
Business Metrics Alignment: Business Intelligence Across Departments
Managers want timely, visual and personal information for faster decisions. Business metrics alignment is where Business Intelligence helps most, because every department’s metrics support the corporate objective.
CAST to date: Remove Time Without Moving the Day
CAST to date keeps the calendar day from a typed datetime2 value. The example preserves the original time and contrasts actual removal with a display that merely hides it.
LEAD Defaults: Missing Rows Differ From NULL Values
LEAD defaults handle a missing following row. Keep that boundary separate from a present row containing NULL and choose replacement policy explicitly.
SQL SERVER – White Papers – Consolidation Guidance for SQL Server – Consolidation Using SQL Server 2008
Two white papers by Allan Hirt: Consolidation Guidance for SQL Server, which compares three consolidation options, and Consolidation Using SQL Server 2008.
SQLAuthority News – Notes from TechDays 2009 at Infosys, Bangalore
My notes from TechDays 2009 at Infosys, Bangalore on Nov 16-17: the largest Microsoft tech event at Infosys, with about 2,500 attendees in person and online.
SQL SERVER – 2008 Star Join Query Optimization
Star Join Query Optimization in SQL Server 2008 Enterprise Edition uses bitmap filtering to speed up data warehouse queries that join fact tables.