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)
6,423 reads
dbForge SQL Studio gives you a few advantages over SSMS. See what Kenneth discovered during his first use of the tool.
2022-04-27
4,585 reads
Learn about high availability in the cloud at a conceptual level.
2022-03-28
1,824 reads
Learn about high availability in the cloud at a conceptual level.
2022-03-28
1,659 reads
Exploring briefly the difference between using Amazon Machine Images running SQL Server and using SQL Server instances on Amazon's Relational Database Service.
2020-09-18 (first published: 2018-04-12)
19,094 reads
In this article, we show how we used Database Snapshots as a rollbackup plan for a database migration from one data centre to another. Database Snapshots proved to be the best route since we sould not afford the time a backup/restore approach would take.
2020-08-28 (first published: 2018-12-11)
2,518 reads
Learn about the impact of locking and blocking in sessions through some demonstrations of different types of actions.
2020-06-11
7,232 reads
There are a number of ways to generate key values in SQL Server tables including the IDENTITY column property, the NEWID() function and more recently, SEQUENCES. The IDENTITY column property is the earliest of these methods. It was introduced very early in the history of SQL Server and it is arguably the simplest approach. Though old, IDENTITY is still maintained in modern versions of SQL Server and is still relevant for simple use cases.
2020-05-21
7,642 reads
An account of a recent encounter we had with a peculiar wait event which was initially misdiagnosed.
2019-09-27 (first published: 2017-10-10)
5,668 reads
In this article we share a recent experience we had with implementing TLS 1.2 ONLY support on our databases and particularly with respect to its effect on Transaction Log Shipping sessions.
2019-01-03
2,137 reads
By Vinay Thakur
As this is an Artificial Intelligence (AI) World, things are changing. We can see that...
In a containerized app, React and Chakra UI provide a robust and accessible user...
By Steve Jones
nachlophobia – n. the fear that your deepest connections with people are ultimately pretty...
Comments posted to this topic are about the item More Funny SELECTs
Comments posted to this topic are about the item Reducing the Cycle Time
I've set up replication in my SQL 2019 environment in attempt to migrate SQL...
What does this code return?
SELECT
( SELECT COUNT (*), MAX(soh.OrderDate) AS latestorder
FROM Sales.SalesOrderHeader AS soh
WHERE
soh.OrderDate > '01/01/2011'
AND soh.OrderDate < '01/01/2012') AS OrdersIn2000
, ( SELECT COUNT (*), MAX(soh.OrderDate) AS latestorder
FROM Sales.SalesOrderHeader AS soh
WHERE
soh.OrderDate > '01/01/2012'
AND soh.OrderDate < '01/01/2013') AS OrdersIn2001
, ( SELECT COUNT (*), MAX(soh.OrderDate) AS latestorder
FROM Sales.SalesOrderHeader AS soh
WHERE
soh.OrderDate > '01/01/2013'
AND soh.OrderDate < '01/01/2014') AS OrdersIn2002;
GO See possible answers