Count the Number of Weekend Days between Two Dates
Handling weekends can be tricky in SQL. This article shows you how to Count the Number of Weekend Days between Two Dates
2020-10-16 (first published: 2018-08-23)
12,543 reads
Adam Aspin
Creating Subtotals and Totals in Aggregated Queries
Grouping Sets are an effective way to add subtotals to aggregated queries. T His article explains how.
2020-09-25 (first published: 2018-09-06)
11,374 reads
Aggregate Data for the Last Day of the Month
On some occasions you will need to aggregate Data for the Last Day of the Month. This article explains how.
2020-04-03 (first published: 2018-08-16)
6,867 reads
Displaying Hierarchical Data
Producing hierarchies from SQL tables can necessitate joining a table to itself. This article will explain how you can do this.
2020-03-06 (first published: 2018-08-30)
24,724 reads
Using a CTE as a Tally Table
Sometimes you need to output blank lines
- in effect displaying Records for Missing Data. This article explains how to use a CTE to do this
2018-08-09
4,717 reads
Using a Derived Table to Compare Data with Values from a Previous Year
Comparing year on year sales is a fundamental requirement in much commercial analysis - here you learn how to do this in SQL
2018-08-02
3,286 reads
Display Median Values
DO you know how to display median values from a Dataset? In this short article you will use windowing functions to do this
2018-07-26
1,759 reads
Segment Data into Deciles
This short article shows a simple example of how to segment data into deciles
2018-07-19
10,838 reads
Generating Completely Random Sample Output from a Dataset
This short article shows a simple example of how to generate completely random sample output from a Dataset
2018-07-12
6,873 reads
Creating Compound Interest Calculations in SQL
This is the first article in a short series of SQL Server query challenges to test and expand your SQL Server querying skills
2018-07-05
20,143 reads
Blogs
T-SQL Tuesday #193 – A Note to Your Past, and a Warning from Your Future
By DesertDBA
I haven’t posted in a while (well, not here at least since I’ve been...
Keeping MS Docs Up to Date
By Steve Jones
One of the things that I like about the SQL Server docs (MS Learn...
Patch Tuesday – Where to get more information
By Brian Kelley
For a number of years I have subscribed to Randy Franklin Smith's Patch Tuesday...
Forums
Change Tracking – Troubleshooting
I have change tracking configured in several databases, in QA and production environments, and...
is there a no code way to limit an ssis extract from excel to the 1st 21 rows?
is there a no code way to limit an ssis extract from excel to...
Pivot but preserve all rows on Aggregate column
Hello Need help in pivoting this data set, the Pivot takes MIN/MAX on a...
Question of the Day
What is the PRODUCT
In SQL Server 2025, what does this return?
CREATE TABLE Numbers ( n INT) GO INSERT dbo.Numbers ( n ) VALUES (1), (2), (3) GO SELECT PRODUCT(n) FROM dbo.NumbersSee possible answers