Home
SQL Mastery
Introduction
Setup
SELECT, WHERE, Aggregations
Grouping, Ordering, More Aggregations
Functions & Dates
JOINs
Math & String Functions
Subqueries
Window Functions
Data Definition Language (DDL)
Views & Temporary Tables
Lessons ☰
Functions & dates
Using built-in functions and working with dates to transform data, handle edge cases, and write more realistic, production-style queries.