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Let the server do the arithmetic. This video works through the numeric functions you will actually use, against a table of register ...

Day 7/100 — SQL Aggregate Functions When you're working with thousands of records, you don't always need to look at every ...

Calculate COUNT, SUM, AVG, MIN and MAX for business metrics. This episode is part of the Snowflake SQL learning journey ...

How can SQL calculate total marks, average scores, the highest marks, or the number of students in a database? In this animated ...

A complete walkthrough of the GrowAsEngineers SQL question "Total Payments Per Customer". We watch GROUP BY gather ...

Split event streams into sessions by inactivity gaps. On a real PostgreSQL 16 database with a small click-stream table, LAG gives ...

In Part 2 of the free Beyond School SQL course, our library's librarian gets a calculator! Learn COUNT, SUM, AVG, MIN and MAX, ...

Four functions give you the summary line of almost any report: SUM, AVG, MIN and MAX. Build them up in one query on the ...