Aggregating metrics: Using “GROUP BY”
Earlier, we’ve discussed that your database stores data at its most granular level. This means that every order creates one […]
Mid-Career Tech
August 2020
Mid-Career Tech
Filtering the data you want: The “WHERE” clause
Why is SQL necessary and useful? In essence, we have huge amounts of data and SQL enables us to extract
Mid-Career Tech
Your first SQL joins: reading the “FROM” clause
You’ve got a first query from your company, and you’re ready to start making sense of it. First of all,
Mid-Career Tech
Using a beginner SQL book efficiently
Perhaps you have started your SQL journey by trying to read a beginner SQL book from start to end. In
Mid-Career Tech
Learning SQL Mid-Career: Why Survival SQL?
In your industry, you’ve been around the block, and then some. The value that your business acumen, experience, and domain