The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

When I had AI write SQL for me, the total sales came out higher than the original table. Before fixing the calculation ...

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...

Five system table queries to track Databricks spend — by product, warehouse, and team, with anomaly detection and AI ...

AI has transformed the way companies work and interact with data. A few years ago, teams had to write SQL queries and code to extract useful information from large swathes of data. Today, all they ...

This course will teach students how to organize and analyze real-world data sets using tools that are most commonly used in the business world. In particular, students will learn the SQL language for ...

"Every time I ask ChatGPT to pull internal data using SQL, it returns a different CAC (Customer Acquisition Cost)."If you are ...