Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

Thanks to the technology behind ChatGPT, it’s become surprisingly simple to query a data set in plain English. As with most generative AI, results from OpenAI’s API are still imperfect, which means ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

See performance gains by using indexed views in SQL Server Your email has been sent A view is a saved T-SQL query in SQL Server. The view definition is stored by SQL Server so that it can be used as a ...

I have a txt file with two fields. I want to update a value in a table in a SQL Server Db with a value from one of the fields in the text file. I want to do this based on a query using the second ...