The case for "Understanding our business" training
Today we have a guest editorial reminding us that business knowledge is important, and we could all use some training.
2025-11-19
120 reads
David Poole
- Interests: Badminton, Cycling and Music. Keen piano player.
Why Standards are Important
There is something in the tech mindset that simultaneously loves and loathes a standard. Having standards is important, what those standards are is less so.
2025-01-22
2,318 reads
An introduction to Terraform
As a Data Engineer I found myself having to learn rather more about cloud infrastructure than I had expected.
2024-12-02
3,600 reads
NOSQL and RDBMSs
NOSQL and RDBMS are evolving and absorbing ideas from each other. Is this necessarily a good thing? Perhaps we should think again
2024-06-14 (first published: 2015-08-27)
865 reads
JQ - Tool for Querying JSON documents using the CLI
Learn how you can query JSON data from a CLI to check it before importing the data into a database.
2024-02-16
8,051 reads
Managing Change
Time has brought clarity for changes which could and should have been provided by its instigators. We compare a change where clarity was sought to those that were chaotic and the approaches that were taken at their two poles.
2023-08-16
1,481 reads
Using pre-commit to prevent simple mistakes
Git hooks are a useful way of triggering code quality scripts. The pre-commit tool provides us with a way of doing this and tapping into the huge library of scripts already in existence to ensure our code complies with general linting and formatting good practice.
2023-01-13
6,394 reads
Design your systems and processes for auditability
I have worked in more than one regulated industry, and since the banking crisis of 2008, I have witnessed a sea change in the approach to regulation. The UK Financial Services Authority (FSA) was seen to be a toothless tiger. The UK government replaced the FSA with two separate bodies, each with its own more […]
2021-10-25
1,579 reads
PostGres and SQL Server - Divided by a common language
A few lessons from a SQL Server DBA that is working on PostgreSQL. David Poole tells us where the similarities in the platforms can cause problems.
2021-07-30
4,070 reads
Documentation. The Under Recognised Skill
Documentation may not be something we aspire to do, but it is a valuable skill.
2021-04-30
425 reads
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Forums
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Comments posted to this topic are about the item The AI Bubble and the...
data type gets lost in data flow
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i noticed the sqlhealth extende event is on by default , so can i reduce
hi, i noticed the sqlhealth extended event is on by default , and it...
Question of the Day
The Read Committed Snapshot Isolation behaviour
I am currently working with Sql Server 2022 and AdventureWorks database. First of all, let's set the "Read Committed Snapshot" to ON:
use master; go alter database AdventureWorks set read_committed_snapshot on with no_wait; goThen, from Session 1, I execute the following code:
--Session 1 use AdventureWorks; go create table ##t1 (id int, f1 varchar(10)); go insert into ##t1 values (1, 'A');From another session, called Session 2, I open a transaction and execute the following update:
--Session 2 use AdventureWorks; go begin tran; update ##t1 set f1 = 'B' where id = 1;Now, going back to Session 1, what happens if I execute this statement?
--Session 1 select f1 from ##t1 where id = 1;See possible answers