Transformations by the Oracle Optimizer
To troubleshoot poorly performing SQL in Oracle, you must understand which transformations the optimizer has made. Jonathan Lewis demonstrates several possible optimizations for one query.
To troubleshoot poorly performing SQL in Oracle, you must understand which transformations the optimizer has made. Jonathan Lewis demonstrates several possible optimizations for one query.
Learn how to create a PostgreSQL database and work with it from Azure Data Studio.
Is DevOps and Agile better than waterfall? Steve has a few thoughts after a recent experience.
We need to transition our team from single instance management and monitoring to managing the overall environment and addressing our most pressing needs to support the organization. How can we move from managing the trees to managing the forest in an efficient and automated manner with a small team?
We’ve got some big plans for this year, and are looking to talk to people who use Flyway in a professional capacity. If you are willing to talk to us about how you first started using Flyway, then get in touch. Of course we’ll also look to say thank you for your time in our usual fashion.
I haven’t done it much the past few years, but I would answer some programming questions posted in forums back in the day. In the late 90s, I answered Visual Basic questions and eventually switched to SQL Server questions here on SQL Server Central as my career progressed. Answering questions not only assisted someone else, […]
In 2021, many companies had employees leave positions. The number of people resigning from their jobs was so high that the term "The Great Resignation" began appearing in many publications. A number of industries were affected, and there are no shortage of pundits and experts analyzing why. This happened primarily in the US, but the […]
This short piece shows how to add logging for the Delete activity and track which files or folders are deleted.
A data lake is a scalable data storage repository that can ingest large amounts of raw data and make it available on-demand. Robert Sheldon explains the benefits and challenges of data lakes.
The 2021 report from the DevOps Research and Assessment (DORA) team at Google Cloud has now been published and provides highlights from seven years of research and data from more than 32,000 professionals worldwide.
By Steve Jones
At the recent Redgate Summit in Chicago, I demo’d (lightly) the ML based Alert...
By Steve Jones
los vidados – n. the half-remembered acquaintances you knew years ago, who you might...
By Brian Kelley
I will be leading an in-person Certified Information Systems Auditor (CISA) exam prep class...
I'm trying to get this string_agg to put all the 'comments' into one result...
Comments posted to this topic are about the item Vectors in SQL Server 2025
Comments posted to this topic are about the item Odd Sequences
What values are returned from this code?
CREATE SEQUENCE NumericSequence
AS NUMERIC(5,1)
START WITH 1.0
INCREMENT BY 0.1;
GO
SELECT NEXT VALUE FOR NumericSequence
GO
SELECT NEXT VALUE FOR NumericSequence
GO See possible answers