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Queries with derived tables (II)

In this exercise, you will create a derived table to return all patient records with the highest BloodPressure at their Age level.```

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Questo esercizio fa parte del corso

Intermediate SQL Server

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Istruzioni dell'esercizio

  • Create a derived table
    • returning Age and MaxBloodPressure; the latter is the maximum of BloodPressure.
    • is taken from the kidney table.
    • is grouped by Age.
  • Join the derived table to the main query on
    • blood pressure equal to max blood pressure.
    • age.

Esercizio pratico interattivo

Prova a risolvere questo esercizio completando il codice di esempio.

SELECT *
FROM Kidney a
-- Create derived table: select age, max blood pressure from kidney grouped by age
JOIN (___) b
-- JOIN on BloodPressure equal to MaxBloodPressure
ON ___
-- Join on Age
AND ___
Modifica ed esegui il codice