One of the great things about SQL Server is that the platform has grown to include a number of configuration options and switches that allow a DBA to get the most performance from their instance that is possible. One of the downsides of the platform, however, is that any sysadmin can make changes (or db_owner […]
2022-08-03
3,165 reads
2022-07-29
375 reads
In this article, we will learn how to set up Azure SQL VM AOAG based on Windows Server 2019 Failover Cluster step-by-step, it is a detailed supplement to the Microsoft official articles and it is a beginner's guide for people who have no experience to do that, please read this article closely with Mircosoft's guide: […]
2022-08-06 (first published: 2022-07-27)
2,044 reads
2022-07-18
186 reads
Redgate is a great place to work for a lot of reasons. One of those has come up for me. It's time for my sabbatical. Every five years we get six weeks paid leave. Mine starts Monday. I'll still be clearing out my email (the thought of six weeks worth gives me horrors), and I'll […]
2022-07-16
142 reads
I've just finished working in my fourth shared work space. I am not a fan. The endless hallways with all these little glassed in rooms where I can see everyone, and everyone can see me, are not my favorite places. I can see white boards with content that maybe I shouldn't be seeing. There are […]
2022-06-25
162 reads
This article covers how you can give access with a shared key to Azure Storage Accounts and apply a policy for how users can access the files.
2022-06-15
8,580 reads
Introduction Relational databases are designed to track changes introduced to a database by data modification language (DML) commands. The fundamental reason for this construct is to ensure that changes are durable and that they can be rolled back reliably. The typical DML command used in SQL are INSERT, UPDATE and DELETE. When INSERT introduces new […]
2022-06-13 (first published: 2022-06-10)
6,924 reads
This week I was honored to be able to attend, and present a session at, SQLDay in Wroclaw Poland. I fell in love with Poland the very first time I attended this event, so I look forward to any time I can go again. This year, Pavel Potasinski presented the keynote: The Evolution of the […]
2022-05-14
126 reads
A short story about why standards matter and where they can help you with limiting the off hour calls from others in your organization.
2022-05-06
2,564 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