Spark and dotnet in a single docker container
I really like the new dotnet driver for Spark because I think it makes spark more accesable to devs who might not know pythpn or scala.
If you want to...
2019-07-11
28 reads
Blog Posts
Understanding Columnstore Indexes in SQL Server Part 1
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
Better SQL Server memory defaults in 2019
In 2016 I created the Max Server Memory Matrix as a guide for configuring the maximum amount of memory that should be assigned to SQL Server, using an algorithm developed...
2019-07-10
785 reads
Database File Changes
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
Event Files on Linux
For the most part, things work the way you might expect them to work in windows - except it is on Linux. Sure some things are different, but SQL...
2019-07-10
10 reads
Multiple Identity Inserts
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
Renewed as Microsoft MVP 2019-2020
I are thrilled to announce that I has been renewed for the sixth time as a Microsoft Data Platform MVP for 2019 to 2020. The MVP award remains incredibly...
2019-07-09
9 reads
SELECT Expression Execution Order
Watch this week's video on YouTube
Today I want to share with you an interesting observation I made about SELECT expression execution order.
I was working on writing a dynamic SQL...
2019-07-09
8 reads
SELECT Expression Execution Order
Watch this week's video on YouTube
Today I want to share with you an interesting observation I made about SELECT expression execution order.
I was working on writing a dynamic SQL...
2019-07-09
12 reads
The Azure-SSIS IR Startup Time
If you want to run SSIS packages in Azure Data Factory, you need the Azure SSIS Integration Runtime (quite the mouthful), which is basically a cluster of virtual machines...
2019-07-09 (first published: 2019-06-19)
361 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