U1 DDL

Quiz
•
Computers
•
University
•
Hard
Angel Torres
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál es la instrucción DDL utilizada para crear una nueva tabla en una base de datos?
CREATE TABLE
ALTER TABLE
INSERT INTO
UPDATE TABLE
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué instrucción DDL se usa para eliminar una tabla y todos sus datos de forma permanente?
REMOVE TABLE
DELETE TABLE
DROP TABLE
CLEAR TABLE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál de las siguientes instrucciones se utiliza para agregar una columna a una tabla existente?
INSERT COLUMN
ADD COLUMN
ALTER TABLE ADD COLUMN
UPDATE TABLE ADD COLUMN
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué instrucción se emplea para cambiar el tipo de dato de una columna en una tabla?
CHANGE COLUMN TYPE
MODIFY COLUMN
ALTER COLUMN
ALTER TABLE MODIFY COLUMN
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál de las siguientes NO es una instrucción DDL?
CREATE INDEX
SELECT
TRUNCATE TABLE
CREATE VIEW
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué instrucción se usa para agregar una restricción de clave primaria a una tabla?
ADD PRIMARY KEY
ALTER TABLE ADD PRIMARY KEY
INSERT PRIMARY KEY
SET PRIMARY KEY
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Para crear una relación de clave foránea, se especifica la restricción __________ KEY (nombre_columna_fk) REFERENCES tabla_referenciada(nombre_columna).
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