Logical operators
You are interested in listing songs performed by Queen. Note that these songs can be composed by either the entire band or an individual band member. In your query you decide to retrieve songs where the composer is Queen or their lead singer, Freddie Mercury.
Remember that there are three logical operators, AND, OR, and NOT that can be used to apply more than one WHERE condition to your query.
Questo esercizio fa parte del corso
Introduction to Oracle SQL
Istruzioni dell'esercizio
- Select the song name and composer from the
Tracktable. - Filter on tracks that are composed by
'Queen'or by'Mercury- Freddie'.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
-- Select the song name and composer from the track table
SELECT ___, ___
FROM ___
-- Filter on composer
WHERE Composer ___ ___
___ Composer ___ ___