Quiz SQL : Requêtes et Manipulation

Quiz SQL : Requêtes et Manipulation

12th Grade

10 Qs

quiz-placeholder

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Quiz SQL : Requêtes et Manipulation

Quiz SQL : Requêtes et Manipulation

Assessment

Quiz

Computers

12th Grade

Medium

Created by

zakaria loulid

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle instruction est utilisée pour insérer de nouveaux enregistrements dans une table ?

UPDATE

INSERT INTO

DELETE

SELECT

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est la syntaxe correcte pour insérer des données dans une table sans spécifier les colonnes ?

INSERT INTO table_name VALUES (val1, val2, val3);

INSERT INTO table_name (col1, col2) VALUES (val1, val2);

INSERT INTO VALUES (val1, val2, val3);

INSERT VALUES INTO table_name (val1, val2);

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle clause est utilisée pour filtrer les enregistrements d'une table ?

ORDER BY

GROUP BY

WHERE

HAVING

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Que fait la clause DISTINCT dans une requête SELECT ?

Filtre les enregistrements en fonction d'une condition.

Trie les enregistrements.

Renvoie uniquement des valeurs uniques.

Supprime des enregistrements.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est la différence principale entre UNION et UNION ALL ?

UNION filtre les doublons tandis que UNION ALL les inclut.

UNION trie les données tandis que UNION ALL ne les trie pas.

UNION est plus rapide que UNION ALL.

UNION nécessite une clause WHERE.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quel opérateur est utilisé pour rechercher des modèles spécifiques dans une colonne ?

IN

LIKE

BETWEEN

NOT

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Comment afficher les trois premiers enregistrements d'une table ?

SELECT * FROM table_name LIMIT 3;

SELECT TOP 3 * FROM table_name;

SELECT * FROM table_name WHERE rownum <= 3;

SELECT * FROM table_name ORDER BY column_name LIMIT 3;

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