How to Avoid N+1 Queries: Comprehensive Guide and Python Code Examples
This article describes the N+1 problem that we often find when developers use row by row solutions for querying related data in a database.
2023-06-21
4,703 reads
rohin daswani
An Overview of PostgreSQL Window Functions
This article looks at Window functions and how they can be used to solve problems in a different way from standard aggregate functions.
2023-02-24
6,006 reads
Nullable vs Non-Nullable Columns and Adding Not Null Without Downtime in PostgreSQL
In this article, we are going to talk about nullable and non-nullable columns specifically related to Postgres databases. While the reasons to use nullable or non-nullable columns may seem obvious at first, there are pitfalls associated with each decision that either affect development velocity, affect application performance, or cause downtime. Let's start with definitions. Nullable […]
2023-02-03
15,208 reads
Blogs
T-SQL Tuesday #193 – Notes to past and future me
The last T-SQL Tuesday of the year is hosted by my good friend Mike...
A Note and a Message: T-SQL Tuesday #193
By Steve Jones
This month Mike Walsh hosts T-SQL Tuesday. It’s been quite some time since he...
More fun with Git: git restore
The setup My day job involves babysitting a lot of Git repositories hosted on...
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This doesn't make sense to me - making me crazy - er
Hi So I have the below select query that won't return results if I...
Catalog max connection pool size: 100
Seeing this message repeated every 10 seconds in the RSHostingService_yyyy_mm_dd_hh_mm_ss.log file. Can anyone advise:...
CAST datetimeoffset(7) as a datetime in UK format
I have a view where I am casting a datetimeoffset(7) field to smalldatetime or...
Question of the Day
Putting the Player with the Number
In SQL Server 2025, what does this return?
DECLARE @player varchar(20) = 'Bo Nix', @num VARCHAR = '10' SELECT @player || @numSee possible answers