
TestPostgres
Authored by Johlver Garcia
Computers
Professional Development
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se utiliza para listar las bases de datos en PostgreSQL?
\d
\ds
\l
\di
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el tipo de dato que se usa para almacenar datos de tipo JSON en PostgreSQL?
json y jsonb
xml
varchar
array
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de restricción garantiza que todos los valores en una columna sean únicos?
FOREIGN KEY
PRIMARY KEY
UNIQUE
CHECK
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes tipos de datos es utilizado para almacenar direcciones IP en PostgreSQL?
inet
macaddr
cidr
bpchar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué función en PostgreSQL devuelve la fecha y hora actuales del sistema?
CURRENT_DATE
NOW()
CURRENT_TIMESTAMP
EXTRACT()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes tipos de datos se utiliza para almacenar valores monetarios en PostgreSQL?
numeric
integer
money
real
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se usa para seleccionar una base de datos específica en PostgreSQL?
\d
\c
\l
\g
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