DeveloperBreeze

Tutorials Programming Tutorials, Guides & Best Practices

Explore 149+ expertly crafted tutorials tutorials, components, and code examples. Stay productive and build faster with proven implementation strategies and design patterns from DeveloperBreeze.

Advanced SQL Queries: Subqueries, Unions, and Window Functions

Tutorial August 03, 2024
sql

The UNION operator combines results from two or more SELECT statements, removing duplicates. Use UNION ALL to include duplicates.

SELECT column1 FROM table1
UNION
SELECT column1 FROM table2;