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Ordered Columnstore Indexes in SQL Server 2022

One of the more challenging technical details of columnstore indexes that regularly gets attention is the need for data to be ordered to allow for segment elimination. In a non-clustered columnstore index, data order is automatically applied based on the order of the underlying rowstore data. In a clustered columnstore index, though, data order is not enforced by any SQL Server process. This leaves managing data order to us, which may or may not be an easy task.

2023-08-09

Technical Article

Standard Sponsor Rates End August 30!

Secure your Sponsorship package before the rates go up. PASS Data Community Summit 2023 is where the database community meets every year to make life-long connections with peers, network with industry leaders, and advance their careers. With over 170 technical sessions, and a great line-up of sponsors, this is your time to secure your space before August 30 and get a preferred booth location.

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2023-08-09

External Article

Modifying MySQL data from within Python

In the previous article in this series, I introduced you to how to access MySQL data from within a Python script. The article described how to use the MySQL Connector to establish a connection with a database and then retrieve data through that connection. In this article, I continue the discussion by demonstrating how to insert, update, and delete data in a MySQL database, again working with Python and the MySQL Connector.

2023-08-02

Technical Article

PASS Data Community Summit 2023

Check out the full details for this year's Pre-Cons and Learning Pathways, and find out why some of our speakers are particularly excited for what’s in store this year. If you’re not already on the mailing list, sign up now and be the first to know all Summit 2023 updates.

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2023-08-02

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PostgreSQL psql Meta Commands: Databases

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Question of the Day

PostgreSQL psql Meta Commands: Databases

Which of the following meta commands (sometimes called backslash or slash commands) within psql will provide you with information about the databases on the cluster?

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