Where, Group by, Having, and Order by clause in SQL

Date: 2022-09-01

This tutorial explains the WHERE, GROUP BY, HAVING, and ORDER BY clauses in SQL using PostgreSQL. It covers filtering data with WHERE, grouping data with GROUP BY, filtering grouped data with HAVING, and sorting data with ORDER BY. The tutorial includes practical examples using a sample person table, demonstrating how to count occurrences, filter based on group counts, and sort results. Setting up PostgreSQL using Docker is also briefly described.

Read more: https://examples.javacodegeeks.com/where-group-by-having-and-order-by-clause-in-sql/