GROUP BY 1
The “GROUP BY 1” syntax is a shorthand method that allows grouping by the first column in the SELECT list. This can be particularly handy when the SELECT list contains only one expression.
dates_table Overview
Let’s first introduce the table we’ll be working with:
Dates table
How to Get all Dates Between Two Dates in SQL
Navigating and manipulating date ranges is a frequent task in SQL, and efficiently extracting all dates between two given dates is a valuable skill.
This article covers two approaches to using the GROUP BY clause: the traditional method with explicit column names and the shorter “GROUP BY 1” syntax. We’ll use a practical example with a table named dates_table to help you understand this topic.