Articles

SQLServerCentral Article

Dimensionality Reduction Techniques - PCA, Kernel-PCA and LDA Using Python

Summary In this article, we will be looking at some of the useful techniques on how to reduce dimensionality in our datasets. When we talk about dimensionality,  we are referring to the number of columns in our dataset assuming that we are working on a tidy and a clean dataset. When we have many columns […]

(1)

You rated this post out of 5. Change rating

2021-05-24

4,000 reads

SQLServerCentral Article

SQL Server 2016 - Always Encrypted

Always Encrypted is a new security feature which was introduced in SQL Server 2016. Always Encrypted is a technology to ensure the data stored in a database remains encrypted at all times during SQL Server query processing. Always Encrypted allows clients to encrypt sensitive data, such as credit card numbers and national identification numbers, inside the […]

(6)

You rated this post out of 5. Change rating

2021-05-21 (first published: )

13,906 reads

SQLServerCentral Article

Hidden Pitfalls with INNER JOIN and NOT IN Operators

I want to show you how two common operators can deceive you into believing you have constructed a proper SQL statement for your solution. We may want to filter results in a table by using using a IN/NOT IN or a INNER JOIN/LEFT JOIN to another table. There are a couple of hidden dangers here […]

(13)

You rated this post out of 5. Change rating

2021-05-19

11,788 reads

SQLServerCentral Article

A Step by Step Guide to the Availability Group (AG) Listener

Availability databases hosted on SQL Server Always On Availability Groups (AG) can be connected using a unique Virtual Network Name (VNN), called the Availability Group Listener. When an Availability Group is enabled, clients can connect to databases in both primary and secondary replicas without explicitly specifying the SQL Server instance name. You don’t even need […]

(1)

You rated this post out of 5. Change rating

2021-05-17

9,926 reads

Blogs

Setting FK Constraints in Data Modeler

By

One of the things a customer asked recently about Redgate Data Modeler was how...

Webinar: Navigating the Database Landscape in 2026

By

For a number of years, we’ve produced the State of the Database Landscape report,...

Claude AI Convinced Me Not to Build an iPad App

By

I coach volleyball and I do a lot of stat stuff on paper. I...

Read the latest Blogs

Forums

SSMS 22 Latest Update Crashing

By Phil Parkin

Hi all, I've just had to roll back my SSMS 22 version from 22.3.0,...

Transactional Replication setup issue

By DrAzure

Hi! I've been banging my head against the wall for 2 days now trying...

The Power of Data and Privacy

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Power of Data and...

Visit the forum

Question of the Day

What's the Date?

In SQL Server 2025, there is a new function that returns the current date without the time. What is it?

See possible answers