
Întrebări despre DBMS
Authored by Rolland Gavriliță
Computers
Professional Development
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ce reprezintă abrevierea DBMS?
Data Backup Management System
Database Management System
Document-Based Management System
Distributed Batch Management System
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Care este rolul principal al unui DBMS?
Să genereze automat interfețe grafice pentru utilizatori
Să permită stocarea, interogarea și administrarea datelor în mod eficient
Să ruleze aplicații web
Să convertească datele în fișiere text
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ce concept fundamental asigură integritatea referențială în modelul relațional?
Cheia primară
Cheia externă (foreign key)
Indexul
Vizualizarea (view)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
În SQL, care comandă se folosește pentru a prelua toate înregistrările dintr-un tabel numit Angajati?
SELECT * FROM Angajati;
GET ALL FROM Angajati;
FETCH ALL FROM Angajati;
SHOW * IN Angajati;
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cum se adaugă o coloană nouă varsta de tip integer într-un tabel existent numit Studenti?
ALTER TABLE Studenti ADD COLUMN varsta INTEGER;
UPDATE TABLE Studenti ADD varsta INT;
MODIFY TABLE Studenti ADD varsta INTEGER;
INSERT COLUMN varsta TO Studenti;
6.
OPEN ENDED QUESTION
1 min • 1 pt
Ce tip de relație descrie “un client poate avea multe comenzi, iar fiecare comandă aparține unui singur client”?
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7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ce tip de relație descrie “un client poate avea multe comenzi, iar fiecare comandă aparține unui singur client”?
One-to-One
One-to-Many
Many-to-Many
Many-to-One
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