I've been reading about the fires in Maui and the horrible loss of life there. My heart goes out to all involved. I hope, if you can, you donate to a good charity to help those poor people. It also inspired me to do another check on our emergency supplies and equipment. No, we don't […]
2023-08-26
111 reads
2023-08-18
11,021 reads
In coming up with a strategy for managing test data, first you need to understand what the many test requirements are likely to be for the particular database you are developing. Next, you need to create all the different categories of test data required to suite test requirements and, finally, work out how to manage it in a way that allows a test-driven approach to development.
Read more in this latest article from Phil Factor
2023-08-18
I took part in a podcast this week, Arrested DevOps. I did one with them once before, almost ten years ago. The host and I were both a little surprised that it had been so long. This caused us to look back a bit. Interestingly enough, ten years ago meant I was only about two […]
2023-07-29
68 reads
A problem with the configuration of Microsoft Defender caused all activity on the server to get delayed.
2023-07-28
6,788 reads
What is this about This article will be about Power BI and PowerPoint collaborating. Both tools are well-known to anyone, particularly to those who are presenting data, charts and visualizations. Without a doubt, these are powerful tools for communicating and visually transmitting information. We can use them to hand over complex information in a simple, […]
2023-07-12
2,059 reads
Two weeks ago, I had the opportunity to hear a keynote by Vik Fearing at Swiss PGDay 2023. He talked about Property Graphs and the Graph Query Language (not to be confused with GraphQL), a recent addition to the SQL:2023 standard. The discussion was mostly theoretical in nature because only Oracle has a current implementation […]
2023-07-08
115 reads
I was given a little reward the other day. My son came home telling me that the manufacturing company he works for wants to build some custom test equipment using Arduino-style controller chips. I've been experimenting, pretty darned lightly so far, with these over the last year. He starts asking me about which controllers I […]
2023-07-01
87 reads
This article shows a number of ways in which you can find out the version of your instance.
2023-06-23
7,836 reads
Learn about the Kimball method for data warehouses and how you can get started building one.
2023-06-14
7,665 reads
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
I’m excited to announce the release of a new open-source project that fully automates...
Comments posted to this topic are about the item Server-Level Table sizes
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers