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What does combining multiple aggregate functions in a single SQL query allow you to do?

easy📝 Conceptual Q11 of 15
SQL - Aggregate Functions
What does combining multiple aggregate functions in a single SQL query allow you to do?
AGet several summary values like totals and averages in one result
BRun multiple queries at the same time
CCreate new tables automatically
DSort data without using ORDER BY
Step-by-Step Solution
Solution:

  1. Step 1: Understand aggregate functions

    Aggregate functions like SUM() and AVG() calculate summary values from data.

  2. Step 2: Combining aggregates in one query

    Using commas, you can list multiple aggregates in SELECT to get many summaries at once.

  3. Final Answer:

    Get several summary values like totals and averages in one result -> Option A

  4. Quick Check:

    Multiple aggregates = multiple summaries [OK]
Quick Trick: Use commas to separate aggregates in SELECT [OK]
Common Mistakes:
MISTAKES
  • Thinking multiple queries run simultaneously
  • Confusing aggregates with table creation
  • Assuming aggregates sort data automatically

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