
Quiz SQL : Requêtes et Manipulation
Quiz
•
Computers
•
12th Grade
•
Medium
zakaria loulid
Used 4+ times
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10 questions
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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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