Domande di SQL

Domande di SQL

2nd Grade

15 Qs

quiz-placeholder

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Domande di SQL

Domande di SQL

Assessment

Quiz

Computers

2nd Grade

Practice Problem

Hard

Created by

Jessica Zangari

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cosa fa il comando SELECT in SQL?

Elimina dati

Aggiunge tabelle

Visualizza dati

Modifica colonne

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale parola chiave serve per indicare la tabella da cui leggere i dati?

TABLE

SELECT

WHERE

FROM

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La clausola WHERE serve a:

Ordinare i risultati

Filtrare i dati

Mostrare la prima riga

Rinominare una tabella

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale query restituisce tutti i dati dalla tabella "Clienti"?

SELECT ALL Clienti;

GET * FROM Clienti;

SELECT * FROM Clienti;

SELECT FROM Clienti;

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Come si scrive una query per ottenere nome e cognome dalla tabella "Utenti"?

SELECT nome + cognome FROM Utenti;

SELECT nome, cognome FROM Utenti;

SHOW nome, cognome IN Utenti;

SELECT (nome, cognome) IN Utenti;

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cosa significa l’asterisco (*) nella clausola SELECT?

Somma tutti i valori

Seleziona tutte le colonne

Seleziona solo i numeri

Filtra le righe duplicate

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale query restituisce i prodotti con prezzo maggiore di 100?

SELECT * FROM Prodotti WHERE prezzo > 100;

GET * FROM Prodotti WHERE prezzo > 100;

SELECT FROM Prodotti WHERE prezzo > 100;

SELECT prezzo > 100 FROM Prodotti;

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