A database is like a dance class
This week I got to thinking, a ballet class is a good way to describe database concepts.
Data Analyst | Technical Writer
This week I got to thinking, a ballet class is a good way to describe database concepts.
This post covers the SQL concepts that pop up during training. If you need a refresher or have a junior analyst in your life who needs a resource to refer to, keep reading.
Everything you need to get started with SQL and becoming a great data analyst.
Your query is running slow, have you checked your indexes?
Joining tables is the first big learning curve after getting your head around SQL basics.
CTEs are underrated compared to the subquery. Here’s why I prefer to use CTEs when building SQL queries.