SQLEspresso

Blog Post

Comparing Execution Plans

When you run a query twice, and get dramatically different run times, your first step can be to try to identify the differences in execution plans. For many that...

2019-07-05 (first published: )

929 reads

Blog Post

Filtered Index Basics

In this post, we continue with another beginner’s blog of database features that may be unknown to many. Let’s take a look at filtered indexes. Many database administrators are...

2019-06-10 (first published: )

766 reads

Blog Post

DMV’s for the Beginner

I give performance presentations at many different events to all levels of SQL Server professionals. Over time I’ve noticed that some DBAs and developers have never looked at the...

2019-05-29 (first published: )

2,095 reads

Blog Post

What is Implicit Conversion?

Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when...

2019-04-29 (first published: )

1,145 reads

Blog Post

What’s a Key Lookup?

One of the easiest things to fix when performance tuning queries are Key Lookups or RID Lookups. The key lookup operator occurs when the query optimizer performs an index...

2019-04-17 (first published: )

724 reads

Blog Post

Women in Tech Talk Tech

March is Women’s History Month, to celebrate the PASS Women in Technology Virtual Group (@PASS_WIT) held a webcast featuring prominent...

2019-04-09 (first published: )

1,035 reads

Blogs

The Book of Redgate: Spread across the world

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

Merry Christmas

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

Self-Hosting a Photo Server the Whole Family Can Use

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Until recently, my family's 90,000+ photos have been hidden away in the depths of...

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Happy Holidays, Let's Do Nerdy Stuff

By Grant Fritchey

Comments posted to this topic are about the item Happy Holidays, Let's Do Nerdy...

UNISTR Escape

By Steve Jones - SSC Editor

Comments posted to this topic are about the item UNISTR Escape

Celebrating Tomorrow

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Celebrating Tomorrow

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Question of the Day

UNISTR Escape

In SQL Server 2025, I run this command:

SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation) A: B: C:

See possible answers