Presenting at SQL Saturday #111
On Saturday, April 14, 2012, I’ll be presenting “Table Vars and Temp Tables – What you NEED to know!” at SQL...
2012-03-28
716 reads
A Discussion of SQL Server-Related Topics
SQL Server 2012 Performance Test: Truncate a Date/Time to Different Parts
SQL Server 2012 introduces several new date/time functions that allow you to build a date/time from the individual parts of...
2012-03-15
2,967 reads
T-SQL Tuesday #028 – Jack of All Trades, Master of None?
This month, Argenis Fernandez (blog, @DBArgenis) is hosting our monthly T-SQL Tuesday, and he wants to know: Are you specialized?...
2012-03-13
948 reads
Presenting at SQL Saturday #110
On Saturday, March 10, 2012, I’ll be presenting “Table Vars and Temp Tables – What you NEED to know!” at SQL...
2012-02-28
1,405 reads
Comparing Inline and Multi-Statement Table-Valued Functions
Table-Valued Functions. What a wonderful addition to SQL they make. They take parameters, do some work, and return a result...
2012-02-15
80,902 reads
Presenting at SQL Saturday #96
I’m honored to have been selected to present two sessions at SQL Saturday #96 in our nation’s capital, Washington DC...
2011-11-02
790 reads
Presenting at SQL Saturday #87
On Saturday, October 29, 2011 at 2:45 pm, I’ll be presenting “Table Vars and Temp Tables – What you NEED to...
2011-10-27
700 reads
I’m a winner!
Actually, I only submitted the winning entry; Denali CTP3 SQL Server 2012 is the real winner. After having a blog...
2011-10-26
814 reads
PASS Summit 2011 recap
Recap of my first ever SQL PASS Summit – 2011:
Saturday, Oct 8 – Travel day – I flew from Richmond VA to the...
2011-10-17
1,460 reads
T-SQL Tuesday #23 – Joins
There is something wrong in the SQL force today… here it is the first Tuesday of a month, and we’re...
2011-10-04
795 reads
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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