Aggregate functions are used to perform calculations on multiple rows of data.
Instead of returning individual records, aggregate functions return a single summarized value.
These functions are widely used in reports and analytics.
Aggregate functions operate on numeric or grouped data.
They help analyze large amounts of information quickly.
Common examples include counting records and calculating totals.
Aggregate functions are often used with SELECT statements.
They work on columns instead of individual rows.
The result is a single calculated value.
Aggregate functions simplify data analysis.
They reduce thousands of rows into meaningful results.
This is essential for dashboards and summaries.
Aggregate functions form the base for advanced SQL concepts.
They are commonly combined with GROUP BY and HAVING clauses.
Understanding them is required for reporting queries.