
DCL_I_PostgreSQL_roles
Authored by Carles Monroig
Instructional Technology
University
Used 4+ times

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24 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Què és PostgreSQL?
Un sistema de gestió de base de dades NoSQL.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quina ordre s'utilitza per connectar-se a una base de dades amb un usuari que té contrasenya?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Què significa l'opció -r a l'ordre createuser?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Què és un rol a PostgreSQL?
No existeixen, són users.
Un concepte que inclou els conceptes d'usuari i de grup en un de sol.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quins són els privilegis especials del propietari d'un objecte a PostgreSQL?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és el paper de l'opció NOINHERIT en la creació de rols a PostgreSQL?
Definir un rol com a superusuari.
Evitar que un rol hereti els permisos dels grups als quals pertany.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quina ordre s'utilitza per mostrar només les taules d'una base de dades en PostgreSQL?
\d
\dt
\l
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