
Quiz sur MySQL
Authored by saad ben
Information Technology (IT)
University
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel symbole est utilisé pour déclarer une variable définie par l'utilisateur en MySQL ?
#
@
$
&
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel mot-clé est utilisé pour déclarer une variable locale en MySQL ?
SET
DECLARE
DEFINE
VAR
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle commande permet d'afficher les variables système en MySQL ?
SHOW VARIABLES;
DISPLAY VARIABLES;
LIST VARIABLES;
VIEW VARIABLES;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel type de verrou empêche l'écriture dans une table par d'autres sessions en MySQL ?
READ
WRITE
LOCK
UNLOCK
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle instruction est utilisée pour libérer les verrous sur les tables en MySQL ?
RELEASE TABLES;
UNLOCK TABLES;
FREE TABLES;
OPEN TABLES;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle instruction conditionnelle en MySQL permet d'exécuter des instructions basées sur plusieurs conditions ?
IF-THEN
IF-THEN-ELSE
IF-THEN-ELSEIF-ELSE
CASE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle instruction en MySQL est équivalente à "BREAK" dans d'autres langages de programmation ?
ITERATE
LEAVE
EXIT
STOP
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