This repository contains a collection of SQL queries demonstrating the use of aggregate functions and SQL clauses as part of a database assignment.

An aggregate function error in SQL occurs when you try to use an aggregate function in a way unsupported by the SQL language. You may experience the error if you do ...

We can do so using the aggregate functions that SQL makes available to us ... we'll be utilizing a database of pets once more. For the rest of this code along, you can run the SQL commands one of two ...

SQL provides various aggregate functions that can help you summarize ... By doing so, you can improve the readability and quality of your code while also increasing its performance.

The error “Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause” occurs in SQL when a SELECT ...

I realized how much easier my life would be if SQL had a mode() aggregate function. (I'm using it in the mathematical sense). I'm guessing that either I use SQL in a wierd way or there is a good ...