Oracle subquery caching and subquery pushing
In this article, Jonathan Lewis discusses why you might want to stop the optimizer from unnesting some subqueries and how to control where the optimizer positions each subquery.
2022-04-11
In this article, Jonathan Lewis discusses why you might want to stop the optimizer from unnesting some subqueries and how to control where the optimizer positions each subquery.
2022-04-11
To guarantee the order of a result set, you must use an ORDER BY clause. In this article, Greg Larsen explains what you need to know about ORDER BY.
2022-04-08
Now’s the time to save your seat at the world’s largest hybrid conference for data platform professionals, taking place November 15-18! Join attendees from around the globe who are gathering in-person and online for a full week of world-class training, networking, and data-platform focused events. Register today to take advantage of discounted launch pricing, available for a limited time.
2022-04-08
2022-04-06
48,614 reads
In this article we look at the SQL functions COALESCE, ISNULL, NULLIF and do a comparison between SQL Server, Oracle and PostgreSQL.
2022-04-06
Pinal Dave from SQL Authority has used – and been a fan of – SQL Monitor since it launched in 2008 (fun fact: it was named SQL Response back then!) There are, however, a few newer features that Pinal isn’t too familiar with, and we were delighted to introduce those to him in this short video.
2022-04-06
Learn how Azure Data Factory charges you for use and how to estimate what your charges would be based on a few examples.
2022-04-04
25,854 reads
Data masking is defined as replacing sensitive data with a realistic fictional equivalent. But do you know there are 2 key types of Data masking, and what each offer? Join SQLServerCentral Editor, Steve Jones, in this 30-minute webinar to find out more.
2022-04-04
Views in MySQL allow you to save a predefined SQL query. Robert Sheldon explains the benefits of views and how to create and query them.
2022-04-04
An exciting new way of viewing your Power BI visuals. The functionality is a bit limited, but highly desired.
2022-04-01
9,165 reads
By Vinay Thakur
As discussed introduction of Always Encryption blog and initial Encryption at rest as TDE...
By Vinay Thakur
Transparent Data Encryption(TDE): TDE was initially introduced in SQL Server 2008 Enterprise Edition; this...
By Steve Jones
Only a little break for me. I’m actually heading to Las Vegas today for ...
Comments posted to this topic are about the item The day-to-day pressures of a...
Comments posted to this topic are about the item The Problem Isn't Always Your...
Comments posted to this topic are about the item Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers