2 posts tagged with "SQL"

The OFFSET clause in SQL skips a specified number of rows in a query result, used alongside LIMIT to retrieve a specific subset. It is the most common approach to pagination in relational databases — but it has important performance limitations at scale.

In SQL, the GROUP BY and DISTINCT clauses play a crucial role in data manipulation, particularly in organizing and summarizing data. Here, we explore the usage, syntax, and working of GROUP BY and DISTINCT with example data, along with insights into how GROUP BY functions behind the scenes.