2024-06-10
483 reads
Date Calculations
SQL Window Functions Series: LAG() and LEAD()
Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.
2023-12-11
7,107 reads
Combine DATE and TIME to DATETIME2 in SQL Server
The most common method on the internet for combining DATE and TIME columns in SQL Server is incorrect. This article demonstrates why that and other methods are incorrect and two lesser known high performance methods that produce correct results even for the "edge cases".
2023-08-07
19,981 reads
How to Find the Start and End Dates for the Current Week (and more)
Learn to calculate Start / First of Week, End of Week, Start of Next Week, Year, Quarter, and Month of the week, Week Numbers and more in T-SQL (Jeff Moden)
2022-07-13
30,289 reads
2020-02-27
23,133 reads
Politics makes for bad databases - plus calculate British holidays
In this piece, learn about changes in UK holidays and get a script to calculate them.
2019-07-15
3,060 reads
2019-07-04
895 reads
2019-04-18
1,464 reads
Function for Getting Interval Dates by days,months,years.
Function for Getting Interval Dates by days,months,years for particular week number, for particular month, for particular date between 1 to 31. etc...
All in One Date Interval Related Function.
2016-06-27 (first published: 2015-11-27)
1,921 reads
First day and last day of a week
This scripts calculates the first day and the last day of a given week
2015-11-10 (first published: 2015-10-12)
1,151 reads
Blogs
Can You See Table Valued Parameters in Extended Events?
I live for questions and this was an interesting one. Can you see Table...
Can an AI Help Me Find a Job?
By Steve Jones
I’m not looking for a job, but I ran across an article about using...
EightKB 2025
EightKB is back! The biggest online SQL Server internals conference is back in 2025…it’s...
Forums
Dynamic T-SQL Script Parameterization Using Python
Comments posted to this topic are about the item Dynamic T-SQL Script Parameterization Using...
Pitfalls to avoid while feeding events into CrowdStrike
Comments posted to this topic are about the item Pitfalls to avoid while feeding...
Column Adds and Drops
Comments posted to this topic are about the item Column Adds and Drops
Question of the Day
Column Adds and Drops
I run this batch on SQL Server 2022. What happens?
ALTER TABLE dbo.Accounts ADD AccountAccessType INT GO ALTER TABLE dbo.Accounts DROP AccountAccessType GOSee possible answers