SP_change_users_login and SQL Server 2008 onwards
Today I discovered, from a post on the forums and a follow up dig into BOL that sp_change_users_login is to...
2010-03-30
5,804 reads
Blog Posts
SQL Server 2008 Database Mirroring: It takes a licking but it keeps on ticking!
With apologies to Timex, I just wanted to relate a minor incident that happened with one of my mirrored databases...
2010-03-30
6,184 reads
Stepping Stone Cert
A few of us have been deliberating and discussing the need for a bridge certification between the MCITP and MCM...
2010-03-30
1,547 reads
Indexes - where you cannot create them!
Indexes are the objects that DBA uses them everyday and maintaining them very often, during the maintenance routines. The main...
2010-03-29
3,706 reads
Notes from the Orlando Code Camp March 2010
I arrived about 7:15 and already quite a few people on hand. Registration was moved to inside this time, just...
2010-03-29
972 reads
Scheduling backups in SQL Server Express
I have seen many forum posts asking how do you schedule backups for SQL Express databases and the answers always...
2010-03-29
1,706 reads
Slipstream - Makes installs simple
I was recently working on building a test environment for myself while I was studying for the MCITP-Database Administration exams. ...
2010-03-29
1,568 reads
To Get Certified or Not Get Certified
I have noticed quite a bit of discussion recently about the merits of Microsoft certification. Some people (like me) think...
2010-03-29
932 reads
Using Custom Connection Colors in SSMS
One of the new features that was added to SQL Server Management Studio (SSMS) in SQL Server 2008, which was...
2010-03-29
3,973 reads
DBCC INPUTBUFFER vs fn_get_sql
Someone asked a question in the forums the other day and I realized it would make a pretty decent blog...
2010-03-28
8,774 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