Recently I reviewed filtered indexes, this time let’s look at columnstore indexes. These indexes are very useful for data warehouse workloads and large tables. They can improve query performance...
2019-07-11 (first published: 2019-06-26)
1,286 reads
As I’ve been learning more about the data platform, I’ve been exposed to some R language code. This makes sense, as more comprehensive data analysis needs something other than...
2019-07-12 (first published: 2019-06-26)
546 reads
In this webinar I discussed designing a Power BI model to plan for either a simple or complex row level security scenario.
2019-06-25
49 reads
Building your database code is an essential practice to ensure that it compiles from source and that dependencies are met. But things can get tricky when you have objects...
2019-06-25
21 reads
The Microsoft Power Platform consists of three products: Power BI, PowerApps, and Microsoft Flow. I find customers are confused on the use cases of these products and how they...
2019-07-08 (first published: 2019-06-25)
317 reads
It’s time for a little bit of change to occur. I am no longer a Product Evangelist for Redgate Software. No, they haven’t fired me and I haven’t quit....
2019-06-25
36 reads
I am proud to announce that I am presenting at this year’s PASS Summit conference, to be held in Seattle WA from November 5th to 8th at the Washington...
2019-06-25
8 reads
Data professionals around the globe are frequently finding themselves occupied with figuring out why and when a file (data or log) for a database has changed in size. Whether...
2019-06-25
158 reads
Data professionals around the globe are frequently finding themselves occupied with figuring out why and when a file (data or log) for a database has changed in size. Whether...
2019-07-10 (first published: 2019-06-25)
324 reads
Watch this week’s video on YouTube. This week I want to share something that surprised me about using SQL Server’s SET IDENTITY_INSERT statement. I started with two tables with...
2019-07-10 (first published: 2019-06-25)
486 reads
By Brian Kelley
I developed these rules a while back, before COVID. I had a period of...
By Steve Jones
Someone asked why I would use TRY_PARSE after I posted a question at SQL...
My mugI grew up surrounded by coffee farms in Guatemala and somehow spent most...
I have a table that ends in ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]. I'm about to...
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
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