
BASE DE DATOS DDL Y NORMALIZACION

Quiz
•
Computers
•
3rd Grade
•
Medium
Jimmy Aldas
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe la parte de SQL que crea, altera y suprime objetos de base de datos
DML
DDL
MER
DER
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual de los siguientes comandos SQL no corresponde a DDL
DROP
ALTER
CREATE
INSERT
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Escoja los tipos de datos utilizados en una base de datos Oracle
number
date
varchar2
bit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las claves foráneas se refieren a registros de otra tabla
verdadero
falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las claves primarias identifican de forma única cada registro
verdadero
falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las claves primarias pueden contener valores nulos
verdadero
falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las claves foráneas ayudan a mantener la integridad referencial en la base de datos
verdadero
falso
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