
T16-T20 - BD

Quiz
•
Computers
•
Professional Development
•
Hard
Marcos Castillo Fernández
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la característica principal de los tipos de datos colección en Oracle?
Son un conjunto de elementos del mismo tipo.
No pueden ser utilizados en tablas.
Permiten almacenar datos de diferentes tipos en una misma columna.
Son siempre de longitud fija.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sentencia se utiliza para crear una tabla compuesta por objetos en Oracle?
CREATE TABLE
INSERT INTO
ALTER TABLE
DROP TABLE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito de la cláusula VALUE en consultas SQL?
Hacer referencia a un objeto completo.
Eliminar objetos de una tabla.
Modificar atributos de un objeto.
Crear nuevas instancias de objetos.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se utiliza para comparar y ordenar objetos en Oracle?
VALUE
ORDER
REF
MAP
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué palabra clave se utiliza para declarar un método que no puede ser sobrescrito en un subtipo?
NOT INSTANTIABLE
FINAL
SELF AS RESULT
INSTANTIABLE
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué palabra clave se utiliza para definir un método estático en un tipo de dato objeto?
STATIC
MEMBER
SELF
OBJECT
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el modo por defecto del parámetro SELF en funciones?
IN
OUT
IN OUT
STATIC
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