Additional Articles


Technical Article

The Power of Generate_series

SQL 2022 introduced the function generate_series which permits us to solve problems for which we previously had to use a table of numbers (also known as a "tally table"). generate_series is a great addition, because when using a table of numbers there was always a risk that you could run out of numbers. Or some joker could have deleted rows from the table. All these worries are gone with generate_series.

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2025-03-05

Technical Article

Improve Query Performance when SQL Server Ignores Nonclustered Index

Do you wonder why SQL Server ignores an index? Do you think about how you can deal with this problem? When you include too many columns in a query you decrease index selectivity. So, if you write a query like “Select * From …” the chance of choosing your nonclustered index will decrease.

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2025-03-03

Technical Article

Upgrade and Migrate SSIS Catalog and SSISDB to a New Server

There will come as time when you need to upgrade the host operating system and SQL Server to a newer version. If you are using SQL Server Integration Services (SSIS), one of the things you may need to do is to move the SSIS catalog (SSISDB database) to the new server. We will cover the steps in this tutorial to migrate the SSISDB from one server to another.

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2025-02-21

Technical Article

Fun with PowerShell Asynchronous

Imagine a candle that is lit and takes 1 hour to burn out. Now imagine one hundred candles. How many hours will it last? That depends. If they are lit simultaneously, it will take 1 hour. That is the basic idea of running in the background or asynchronously. Of course, the 100 candles can execute independently of one another, unlike if you try to run 100 processes on a computer with 2 cores. PowerShell has some ways to manage that, as PowerShell job – which we will see in this article – runspaces – needs to add programmable using .net.

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2025-02-14

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Admin Rights for Everyone

By Steve Jones - SSC Editor

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Kerberos Authentication for Aurora PostgreSQL: Mapping AD Groups to Database Roles

By Arvind Toorpu

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RegEx Functions I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item RegEx Functions I

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Question of the Day

RegEx Functions I

Which of these RegEx functions need compatibility level 170 in SQL Server 2025?

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