SQL Server, What's In My Buffer Cache?
When SQL Server reads pages it stores them in an area of memory called the buffer cache, things like memory...
2019-03-06 (first published: 2019-02-19)
2,293 reads
Gavin Draper
SQL Server Script To Check Your Backup RPO Status
I recently wanted a script to tell me that for every database on a given server
What levels of backups I...
2019-02-28 (first published: 2019-02-13)
3,321 reads
How To Check How Far Behind Your SQL Server Log Shipping Secondary Is
Log shipping is one of the simplest and most bulletproof methods to get SQL Server to replicate data to a...
2019-02-21 (first published: 2019-01-31)
2,751 reads
Odd Behavior With LOB/Overflow Data
In writing some sample demos around LOB and Row-Overflow data I found a couple of oddities in the way reads...
2019-02-20
166 reads
How to Encrypt and Restore Your SQL Server Database Backups
We’ve had backup encryption out of the box since SQL Server 2014, yet I’ve rarely seen it used. In an...
2019-02-19 (first published: 2019-01-28)
11,767 reads
SQL Server, What Waits Happened In The Last X Seconds
There are plenty of scripts out there that can show you the waits that are occurring on your server, however,...
2019-02-18
172 reads
Why You Shouldn't Use SELECT * In Production Systems (EVER!)
OK so the title is a bit of a bold statement but bear with me, I’ve been burned by this...
2019-02-11 (first published: 2019-01-23)
6,844 reads
Backing Up and Restoring Your On-Premise Databases To and From the Cloud
I’ve been meaning to start a series of posts on “Dipping your toes into the cloud” for a while now,...
2019-01-30
266 reads
Dodging Deadlocks With Indexes
A lot of people don’t realise that some deadlocks can be removed entirely with the introduction of a new index....
2019-01-23 (first published: 2019-01-14)
6,498 reads
Leveling Up Your TSQL
I thought I’d use this post to round up some of my other posts into a list of often overlooked/unknown...
2019-01-22
258 reads
Blogs
My Social Media Rules
By Brian Kelley
I developed these rules a while back, before COVID. I had a period of...
Why Use TRY_PARSE(): #SQLNewBlogger
By Steve Jones
Someone asked why I would use TRY_PARSE after I posted a question at SQL...
A Guatemalan's Guide to Drinking Coffee Properly
My mugI grew up surrounded by coffee farms in Guatemala and somehow spent most...
Forums
Partitioning a table with TEXTIMAGE_ON option
I have a table that ends in ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]. I'm about to...
OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
Building Great Software
Comments posted to this topic are about the item Building Great Software
Question of the Day
The Range of Customers
I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):
orderid orderdate customerid complete 3 2025-05-10 00:00:00.0002 1 21 2024-01-10 00:00:00.0003 1 15 2023-10-28 00:00:00.0004 1 13 2025-03-08 00:00:00.0006 1 11 2024-04-02 00:00:00.0007 1If I run this query, how many rows are returned?
SELECT * from dbo.OrderHeader where customerid between 3 and '6'See possible answers