A subquery in the SELECT clause is used to calculate values.
It allows displaying computed results along with table columns.
This is useful for dynamic calculations.
The subquery runs for each row selected by the outer query.
It returns a calculated value.
This value appears as a column in the result.
Subqueries in SELECT are commonly used to calculate totals, averages, or counts.
They help compare row data with overall data.
The subquery calculates a value that is displayed with each row.
This enables advanced reporting logic.
Subqueries in SELECT are useful in dashboards.
They allow showing comparisons within results.
This technique is common in analytical queries.