Multivariate analysis in data science is a type of analysis that tackles multiple input/predictor and output/predicted variables. This tip explores the problem of predicting air pollution measured in particulate matter (PM) concentration based on ambient temperature, humidity, and pressure using a Bayesian Model.
Many of you reading this likely have an Availability Group (AG) set up on at least one database in your organization. Maybe not most, but many of you as this has proven to be a technology that many people like for HA/DR, upgrades, and probably other uses. As the technology has evolved from it's SQL […]
In Level 2 of the Stairway to Hyperscale, we learn about Page Servers in more detail.
Synchronous replicas in SQL Server Availability Groups promise no data loss, but they don’t promise zero delay; under heavy load they can still fall behind. This article shows how to measure and track that hidden replication delay using SQL Server performance counters, so you can see how well your system keeps up during IO‑intensive operations and plan maintenance more safely.
Are the AI tools developers use making them enjoy their jobs more or less? Steve has a few thoughts.
Learn about a new feature of SQL Server 2022 - Parameter Sensitive Plan Optimization(PSPO)
How can we setup alerts in Azure SQL MI to notify us when there are issues?
I recently had the opportunity to talk a little PostgreSQL with the Salt Lake City PostgreSQL Meetup group (thank you for having me by the way). Great bunch of people who were really engaged and asked a lot of questions. On the way out of the event, I was chatting with one person (who had […]
A look at window functions in SQL and how they can be used to query data without the restrictions of a GROUP BY.
Older technology can introduce security issues, along with performance ones. Keeping your systems somewhat up to date is important for security.
Reading tutorials is fine. Shipping something is better. If you are trying to break...
By Steve Jones
We work hard at Redgate, though with a good work-life balance. One interesting observation...
By Arun Sirpal
Fourth in a series on Ai and databases. What Read-Only Advisory Actually Means A...
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I want to get the currency sign displayed with my amount stored in a money type. Does this work?
DECLARE @Amount MONEY; SET @Amount = '?1500'; SELECT CAST( @Amount AS VARCHAR(30)) AS EurosSee possible answers