Introduction
FETCH FIRST helps you get a limited number of rows from a big list, making it easier to see just a part of the data at a time.
When you want to show only the top 5 best-selling products from a store.
When you need to display the first 10 recent messages in a chat app.
When you want to preview the first few rows of a large table without loading everything.
When building pages that show data in small chunks, like 20 rows per page.
When you want to limit the number of results returned by a query to save time and resources.