2022-04-18
738 reads
2022-04-18
738 reads
A developer has some harsh things to see as he leaves the MySQL team. Is he right?
2022-04-11
273 reads
This week was the MVP Summit. As was the case for the last couple of years, the event was entirely virtual. We were shown a bunch of new and interesting things by Microsoft. We were able to talk to each other and to the engineers at Microsoft. I'm honored that I've been an MVP and […]
2022-04-02
44 reads
Learn about high availability in the cloud at a conceptual level.
2022-03-28
1,769 reads
2022-03-25
3,743 reads
This article discusses how the cloud and other technologies help companies to manage their data appropriately in the modern world.
2022-03-23
1,475 reads
Becoming overly enthusiastic about a new SQL Server feature can backfire if you don’t do some testing. One example is the table variable introduced with SQL Server 2000. At the time, there was a myth that table variables would always perform better than temp tables with the reasoning that, by definition, variables are stored in […]
2022-02-26
417 reads
Learn how to use Azure File and Blob storage with your applications.
2022-02-23
21,087 reads
2022-02-16
581 reads
Is your SQL database log file too big? Maybe it is. But maybe it’s not. When log files keep growing and appear to be too big some might suggest switching to Simple recovery, shrinking the log file, and switching back to Full recovery. While this will work to shrink the file and free up disk […]
2022-02-16
31,137 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...
Comments posted to this topic are about the item The New Software Team
Comments posted to this topic are about the item Database Mail in SQL Server...
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