External Article

Oracle optimizer Or Expansion Transformations

The previous installment of this series examined aggregate subquery removal and subquery coalescing, describing the latter as similar in some ways to an inverse for “Or Expansion” and “Join Factorization”. In this instalment, it’s time to take a closer look at Or Expansion and we’ll move on to Join Factorization in the next instalment.

Blogs

2025 Wrapped for Steve

By

I’ve often done some analysis of my year in different ways. Last year I...

The Book of Redgate: Spread across the world

By

This was Redgate in 2010, spread across the globe. First the EU/US Here’s Asia...

Merry Christmas

By

Today is Christmas and while I do not expect anybody to actual be reading...

Read the latest Blogs

Forums

Finding Motivation

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Finding Motivation

The Last Binary Value of the Year

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Last Binary Value of...

SQL Art, Part 2: New Year Fireworks in SSMS

By tedo

Comments posted to this topic are about the item SQL Art, Part 2: New...

Visit the forum

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