MySQL Complete Guide
Using COUNT, SUM, AVG, MIN, MAX
MySQL Complete Guide
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Introduction to Databases & MySQL
This topic introduces students to the concept of databases and helps them get MySQL installed and set up, laying the groundwork before writing any actual queries.
This topic covers the foundational SQL commands used to retrieve, add, modify, and remove data — the core operations every database user needs to know.
This topic teaches students how to properly structure a database, covering how tables are defined and how normalization keeps data organized and free of redundancy.
This topic teaches students how to combine data from multiple related tables, a core skill for working with real-world relational databases.
INNER JOIN and Combining Tables
This lesson introduces the INNER JOIN, teaching students how to combine rows from two or more tables based on a related column, returning only matching records.
This topic covers how to summarize and analyze data using aggregate functions and grouping, essential for generating reports and insights from raw data.
This final topic lets students apply everything learned throughout the course by designing a database and writing queries for a complete, practical application.
This lesson introduces common aggregate functions that perform calculations across multiple rows, such as counting records, summing values, and finding averages, minimums, and maximums.