Watch this week's video on YouTube
Part 1: Introduction to Execution Plans
Part 2: Overview of Statistics
Part 3: Reading an Execution Plan
Part 4: Commonly Troublesome Operators
Part 5: Troubleshooting Execution Plans
In the...
2019-08-06
8 reads
This is my fourth installment in a series responding to Steve Jones’s (blog | twitter) #SQLCareer challenge. I jotted down most of what I did through the day, filling...
2019-08-06
14 reads
[read this post on Mr. Fox SQL blog] The “modern data platform” architecture is becoming more and more popular as organisations shift towards identifying, collecting and centralising their data...
2019-08-06 (first published: 2019-07-16)
1,379 reads
You can read about columnstore indexes here (https://azure.microsoft.com/en-gb/blog/transforming-your-data-in-azure-sql-database-to-columnstore-format/). I won’t rehash the material but high level, these index types are optimized for analytical queries and high compression of data...
2019-08-06
159 reads
The other day I did a post on how an OR short circuts. It was a somewhat unusual type of ... Continue reading
2019-08-06 (first published: 2019-07-15)
720 reads
I found this question on stack overflow that went something like this:
“I have a file that includes line endings in the wrong place and I need to parse the...
2019-08-06
14 reads
I found this question on stack overflow that went something like this:
“I have a file that includes line endings in the wrong place and I need to parse the...
2019-08-06
17 reads
Hello #SQLFamily! We are packing for the longest trip this year. Next week we will start in Shanghai, then will move to Bangalore for #DPS10 and the last week...
2019-08-06
17 reads
Quality data is a goal we all strive to attain. Nobody wants to have bad data. Yet, despite our best efforts, the problem of bad data has its way...
2019-08-05 (first published: 2019-07-11)
526 reads
I’m a big fan of music when I’m moving through life, and I use a lot of headphones. Between the gym, travel, and downtime between volleyball matches, I often...
2019-08-05 (first published: 2019-07-30)
265 reads
By Brian Kelley
Fabiano Amorim has written an excellent article at Simple Talk on securing msdb. Here's...
By Steve Jones
This month we have a new host, which I am grateful for. So many...
I needed to do some research because there is more to #temp tables than...
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item Building Great Software
Comments posted to this topic are about the item 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