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Introduction
Basic CTEs
Summary
14. Summary

## Instruction

Excellent. It's time to wrap things up.

• The basic syntax for CTEs in SQL Server is:
WITH CteName1 (Cte1Columns) AS (
YourCte1
),
CteName2 (Cte2Columns) AS (
YourCte2
),
...

SELECT ...

• CTEs are placed at the start of the query. They are introduced with WITH.
• You can skip column definitions if you provide aliases for columns containing aggregates and other function results.
• CTEs are temporary sets of rows similar to subqueries. Thanks to them, your query becomes better organized and easier to read.

Shall we start a very short quiz to check how much you remember?

## Exercise

Click to start the short quiz.