Physical Join Operators in SQL Server - Merge Operator
Part II of the Physical Joins series looks at the Merge operator.
2010-07-05
4,112 reads
Additional Articles
Reporting Services 2008 R2: Geospatial Visualization – Part I
Geospatial Visualization is one of the key new features of SQL Server 2008 R2 Reporting Services. This step-by-step tutorial demonstrates the creation of a Map Report.
2010-07-02
3,764 reads
Kimball University: Extreme Status Tracking For Real Time Customer Analysis
Customer interactions create a wealth of timely data that marketing departments are eager to exploit. The customer status fact table provides a central switchboard for using this fast-moving data.
2010-07-01
2,416 reads
Determining Object Access Using SQL Server Profiler
Deanna Dicken examines a SQL Server Profiler event to determine object access...who is using the object, when, and how. This gives the SQL developer or database administrator much needed information for impact analysis prior to a change or the decommissioning of a SQL Server object.
2010-06-30
2,886 reads
Performance Counter DMV sys.dm_os_performance_counters
By querying a single DMV, sys.dm_os_performance_counters to be precise, you can collect counter information that you would receive from PerfMon for the various SQL Server counters.
2010-06-29
3,559 reads
Operator of the Week - Lazy Spool
Continuing to illuminate the depths of SQL Server's Query Optimizer, Fabiano shines a light on the sixth major Showplan Operator on his list: the Lazy Spool. What does the Lazy Spool do that's so special, how does the Query Optimizer use it, and why is it so Lazy? Fabiano Amorim explains all.
2010-06-28
2,774 reads
SSAS: Explaining the State Transitions Viewer for Sequence Clustering
In SQL Server 2005 and SQL Server 2008, Microsoft has added some fantastic visualizations around data-mining algorithms. These visual aids allow us to see exactly what a particular algorithm is predicting or describing—making a difficult subject easier to understand.
2010-06-25
2,023 reads
I’m a SQL Server DBA, and I’m in Love with PowerShell
To learn PowerShell, Laerte Junior suggests that you just start using it. To encourage you to start, he provides a series of tips on using PowerShell with SQL Server to solve various everyday problems. With a little patience, a good IDE, and a bit of help and advice, "the lion is dead".
2010-06-24
5,883 reads
Making your SQL Server database changes backward compatible: Adding a new column
As multi-tier architectures grow over time, it is often challenging to coordinate those changes across the data, logic and presentation tiers. Unless planned and implemented carefully, an act as simple as adding a column to a table can grind all of the components of your application to a halt. While some of us have comfortable 12-hour maintenance windows every weekend, many of us are bound by service level agreements that are much more strict. So we must find ways to introduce fixes and new features with zero downtime, and without requiring every single component to be refactored at the same time.
2010-06-23
3,366 reads
Creating XML in SQL Server
XML has become a common form of representing and exchanging data in today's information age. SQL Server introduced XML-centric capabilities in SQL Server 2000. That functionality has been expanded in later releases. One aspect of working with XML is creating XML from relational data, which is accomplished utilizing the FOR XML clause in SQL Server.
2010-06-22
4,464 reads
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