In the last week I've been actively trying to join the PostgreSQL community. It's been an interesting experience. I suspect it's going to stay interesting for a while. As part of what I'm doing, I saw this excellent video from Ryan Booz, talking about joining a new community. It got me to thinking. You have […]
2022-02-12
73 reads
You can make SQL Server database development faster and easier with a FREE toolkit!
2022-02-11
5,646 reads
This short piece shows how to add logging for the Delete activity and track which files or folders are deleted.
2022-02-04
1,368 reads
2022-02-04
477 reads
In 2021, many companies had employees leave positions. The number of people resigning from their jobs was so high that the term "The Great Resignation" began appearing in many publications. A number of industries were affected, and there are no shortage of pundits and experts analyzing why. This happened primarily in the US, but the […]
2022-02-04
266 reads
I'm answering a question in the forums and I spot something that crawls up my spine: ;WITH... The person was using a Common Table Expression (CTE) which requires that the preceding statement in the batch have a statement terminator, the semi-colon. However, since the terminator isn't required everywhere, lots of people don't use it at […]
2022-01-29
142 reads
You can do essential monitoring of SQL Server instances and databases with a FREE toolkit!
2022-01-28
7,150 reads
Security is hard, and while data professionals might not be responsible for network issues, we ought to be aware that there could be vulnerabilities that might attack our systems.
2022-01-19
247 reads
Inline Table Valued Functions (iTVFs) are one type of user defined function that is available to implement in SQL Server since SQL Server 2000.
iTVFs remain a very useful tool in our SQL armoury, so let's quickly revisit them and the different ways we can use them in our code.
2020-10-07 (first published: 2020-09-08)
44,705 reads
Today Steve thinks about what to do when planning for your digital assets after you pass.
2020-07-17
366 reads
By Steve Jones
Redgate is a for-profit company. We look to make money by building and selling...
I’ve uploaded the slides for my Techorama session Microsoft Fabric for Dummies and my...
If you've ever loaded a 2 GB CSV into pandas just to run a...
Comments posted to this topic are about the item Even When You Know What...
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We create the following table and then insert some records in it:
create table t1 ( id int primary key, category char(1) not null, product varchar(50) ); insert into t1 values (1, 'A', 'Product 1'), (2, 'A', 'Product 2'), (3, 'A', 'Product 3'), (4, 'B', 'Product 4'), (5, 'B', 'Product 5');What happens if we execute the following query in both Sql Server and PostgreSQL?
select id,
category,
string_agg(product, ';')
over (partition by category order by id
rows between unbounded preceding and unbounded following) as stragg
from t1; See possible answers