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
Additional Articles
Ordering a result set in SQL Server
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
Registration is now open for Summit 2022
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
COALESCE(), ISNULL() , NULLIF() and alternatives in SQL Server, Oracle and PostgreSQL
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
Introducing Pinal Dave to new SQL Monitor features
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
Why you need to go beyond dynamic data masking
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
Working with MySQL Views
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
Exploring New SQL Prompt Features in SQL Toolbelt and SQL Toolbelt Essentials
Roseanna Whitelegg explores new SQL Prompt functionality that has been added to SQL Toolbelt and SQL Toolbelt Essentials to help teams increase their productivity, improve code quality, and make collaboration easier.
2022-04-01
SQL Server and Oracle Create Table Comparison
In this article we look at a comparison of different things you can specify when creating tables in SQL Server and in Oracle.
2022-04-01
Data Types in PostgreSQL: Learning PostgreSQL with Grant
PostgreSQL has an unusually large number of data types. Grant Fritchey reviews each data type and discusses the good and bad points of each.
2022-03-30
Blogs
FinOps for Kubernetes: Leveraging OpenCost, KubeGreen, and Kubecost for Cost Efficiency
In the era of cloud-native applications, Kubernetes has become the default standard platform for...
2025 Wrapped for Steve
By Steve Jones
I’ve often done some analysis of my year in different ways. Last year I...
The Book of Redgate: Spread across the world
By Steve Jones
This was Redgate in 2010, spread across the globe. First the EU/US Here’s Asia...
Forums
Finding Motivation
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SQL Art, Part 2: New Year Fireworks in SSMS
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Question of the Day
The Last Binary Value of the Year
What does this code return?
SELECT cast(0x2025 AS NVARCHAR(20))Image 1:
Image 2: 
Image 3: 
Image 4: 
See possible answers