How to read documentation
I was thinking about a comment I made to my intern last week. She has been studiously attending to all the different things I do in my day (what...
2019-10-02
33 reads
SQL Homework – October 2019 – Code review (self and peer)
Every database person I’ve ever met writes at least some code at some point in their career. That code might ... Continue reading
2019-10-14 (first published: 2019-10-02)
536 reads
Book Announcement – Query Store for SQL Server 2019
After nearly a year of work, starting with the proposal that I finished writing in a hospital last year the book is finished and off to be published and...
2019-10-02
8 reads
Book Announcement – Query Store for SQL Server 2019
After nearly a year of work, starting with the proposal that I finished writing in a hospital last year the book is finished and off to be published and...
2019-10-02
13 reads
Book Announcement – Query Store for SQL Server 2019
After nearly a year of work, starting with the proposal that I finished writing in a hospital last year the book is finished and off to be published and...
2019-10-02
43 reads
How to test ETL Processes in production
This is the final part in the four-part series into testing ETL pipelines, how exciting!
Part 1 - Unit Testing https://the.agilesql.club/2019/07/how-do-we-test-etl-pipelines-part-one-unit-tests/ Part 2 - Integration Testing https://the.agilesql.club/2019/08/how-do-we-prove-our-etl-processes-are-correct-how-do-we-make-sure-upstream-changes-dont-break-our-processes-and-break-our-beautiful-data/ Part 3...
2019-10-02
10 reads
How to test ETL Processes in production
This is the final part in the four-part series into testing ETL pipelines, how exciting!
Part 1 - Unit Testing https://the.agilesql.club/2019/07/how-do-we-test-etl-pipelines-part-one-unit-tests/ Part 2 - Integration Testing https://the.agilesql.club/2019/08/how-do-we-prove-our-etl-processes-are-correct-how-do-we-make-sure-upstream-changes-dont-break-our-processes-and-break-our-beautiful-data/ Part 3...
2019-10-02
135 reads
Why Does Everyone Have More Friends Than You?
No, the answer isn’t because you’re a DBA. This isn’t a technical post about databases, but rather a discussion of a statistical paradox that I read about recently. Statistics...
2019-10-01
43 reads
We Thought That Sean McCown’s SMO Tutorial Was So Good, It Needed To Be A Video In It’s Own Right
Back in February, Sean McCown joined us on the Undercover podcast and presented a brilliant tutorial on the SMO. We thought that it was so good that we’ve decided...
2019-10-01
58 reads
More “Wrong” SQL Server Math – Floating Point Errors
Watch this week’s episode on YouTube. Last week we looked at how implicit conversions and datatype precedence can cause SQL Server to output unexpected results (if you aren’t aware of how...
2019-10-01
353 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...
ALAMAT BCA KCU TULUNGAGUNG Hub 082225313145
WA CS 082225313145 WWH2+WP2, Jl. Pangeran Diponegoro No.54, Tamanan, Kec. Tulungagung, Kabupaten Tulungagung, Jawa...
OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
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