Get Rid of the Indexes
An idea that could save time and resources for backup and recovery in SQL Server.
2008-03-17
29 reads
Articles
SQL Server 2005 Express Edition - Part 17 - Merge Web Synchronization
In this article, we will explore another variation of this mechanism, called Web Synchronization, with SQL Server 2005 Express Edition instances operating as merge replication subscribers connecting to a publisher via HTTPS protocol.
2008-03-17
998 reads
2008-03-16
34 reads
2008-03-16
37 reads
CTE Performance
SQL Server 2005 brings a new feature to T-SQL with Common Table Expressions, which make it possible for more complex subquery expressions than in previous versions. Recursion is a common use and Peter He takes a look at how well these new structures perform.
2008-03-14 (first published: 2007-05-08)
18,195 reads
More RBAR and "Tuning" UPDATEs
SQL Server expert Jeff Moden discusses a common problem seen in many update statements.
2008-03-14
12,615 reads
SQL Server 2005 Best Practices
With SQL Server 2005 recently released, one of the things that many people are looking for are some guidelines for working with the new product. New author NandaKishore brings us a list of best practices that should give you a start.
2008-03-14 (first published: 2006-01-04)
121,499 reads
Fuzzy Lookup and Fuzzy Grouping in SQL Server Integration Services 2005
This paper describes the Fuzzy Lookup and Fuzzy Grouping transformations that are part of SQL Server 2005 Integration Services (SSIS). These SSIS transformations are useful for improving the data quality of existing data as well as new data that is being loaded into your database.
2008-03-14
1,809 reads
Internals of DBM Failover / Role Switching
Understanding different types of failovers/Role Switching and How do they internally work in database mirroring.
2008-03-14
1,255 reads
A Common Architecture for Loading Data
Importing data files is always a challenge for a DBA, especially when the files might vary in format. Having one codebase is important and new author Mark Balasundram brings us the template for a high performance application to do just that.
2008-03-13 (first published: 2007-04-04)
17,541 reads
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers