Unlock the power of SQL's NTILE function with our latest deep-dive article. Learn to segment your data effectively into quantiles for more nuanced analysis, discover common pitfalls and their solutions, and optimize your queries for peak performance.
2024-02-03 (first published: 2024-01-03)
5,080 reads
Welcome to the fascinating world of SQL window functions! Today, we'll explore in detail: RANK() and DENSE_RANK().
2023-11-20 (first published: 2023-11-15)
14,368 reads
In this article of the series, Pamela Mooney explains the architecture of SQL Server under the hood, including some query anti-patterns to avoid.
2021-02-23
Oracle archived redo size may be smaller than that of online redo log files. In this article, Jonathan Lewis takes a deeper look.
2021-02-04
Database administrators can never stop thinking about security. In this article, Fabiano Amorim shows how data can be revealed through error messages when views are used to secure rows.
2020-11-25
Learn a bit about concurrency problems in SQL Server, the issues they create, and the different isolation levels that help you solve them.
2020-05-12
42,572 reads
Why has Microsoft added new capabilities in SQL Server to connect to other types of data sources? Read on to learn more.
2021-05-14 (first published: 2019-09-09)
10,593 reads
In this tip we will talk about the features and main differences between SQL and NoSQL databases.
2019-04-10
This article by Adam Aspin reviews the Azure Cosmos DB SQL API from the perspective of the relational database developer. More specifically it will show you how to leverage your Structured Query Language skills to exploit the core possibilities of Cosmos DB as a NoSQL document database.
2019-03-25
219 reads
Index maintenance can be a real headache for database administrators as tables grow larger and maintenance windows shrink. In this article, Greg Larsen demonstrates resumable index operations available with SQL Server 2017 and 2019. This feature helps DBAs work around those small maintenance windows by allowing certain index operations to be paused and restarted again later.
2019-03-21
1,738 reads
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
By Steve Jones
I saw a question asking about the next sequence value and decided to try...
I've read a few posts regarding what we use to design DB models and...
I've got a table with 186,703,969 rows, about 300GB of data. There are several...
I created a SQL Database in Azure Portal but I've just noticed it also...
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers 