After building and populating the Library Management System database, I performed various data analysis tasks using aggregate functions and grouping operations in SQL. To begin, I used functions like ...

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

Hi!<BR><BR>I often run queries on my company’s Data Warehouse, which runs DB2. Due to the nature of my permissions, I cannot create Views or new Tables – thus, everything generally has to be done in a ...

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 ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...