2014-02-28 (first published: 2011-02-16)
13,765 reads
2014-02-28 (first published: 2011-02-16)
13,765 reads
2014-02-21 (first published: 2010-08-16)
16,248 reads
Learn how to avoid complex date calculations and increase performance using calendar tables in this article from Todd Fifield.
2014-02-14 (first published: 2010-07-15)
43,796 reads
How to use a passed string variable for an IN type predicate in your queries as a way to more efficiently handle an array of strings.
2013-03-01 (first published: 2011-06-21)
26,750 reads
This article from Todd Fifield shows a Way to avoid the dreaded LIKE operator in your queries and dramatically speed up keyword searches.
2012-09-07 (first published: 2011-02-28)
35,589 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
WA:08218154393 Jl. Jenderal Ahmad Yani No.1, Benua Melayu Darat, Kec. Pontianak Sel., Kota Pontianak,...
WA:08218154393 Jl. Jenderal Sudirman No.139, Klandasan Ilir, Kec. Balikpapan Kota, Kota Balikpapan, Kalimantan Timur...
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