
MYSQL
Authored by María Rojas Andrade
Instructional Technology
10th Grade
Used 37+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
LOS TIPOS DE DATOS QUE PUEDO USAR EN MYSQL SON:
Date
Integer
Varchar
int
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cual es la opcióncorrecta para incluir un campo en una tabla ya creada?
alter table estudiantes add Edad int;
alter table estudiantes modify Edad int;
alter table estudiantes change Edad int;
alter table estudiantes drop Edad int;
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cuáles son las opciones correctas para insertar registros en una tabla?
insert into Estudiantes (Cod int primary key, Nombre varchar(20) values ('José');
insert into Estudiantes (Cod, Nombre) values (1, 'José');
insert into Estudiantes (Cod, Nombre, Apellido) values ('José');
insert into Estudiantes (Cod, Nombre) values (1, 'José'), (2, 'José');
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cómo puedo visualizar la estructura de una tabla?
select * from Estudiantes;
describe Estudiantes;
insert into Estudiantes;
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cuál es la opción correcta para visualizar las bases de datos existentes?
show tables;
show database;
show databases;
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tomando como referencia la tabla HABITAD indica cuál es la línea de instrucción correcta para su creación?
create table HABITAD (CODHAB int primary key, CODESP int, LUGAR varchar(20),FOREIGN KEY(CODESP) REFERENCES HABITAD(CODESP));
create table HABITAD (CODHAB int primary key,
CODESP int, LUGAR varchar(20),FOREIGN KEY(CODESP) REFERENCES ESPECIES(CODESP));
create table HABITAD (CODHAB,
CODESP int, LUGAR varchar(20),FOREIGN KEY(CODESP) REFERENCES ESPECIES(CODESP));
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cuál es la línea de instrucción correcta para eliminar un campo en una tabla ya creada, suponiendo que de la tabla estudiantes voy a eliminar el campo EDAD?
alter table estudiantes drop EDAD;
alter table estudiantes delete EDAD;
alter table drop EDAD;
alter table estudiantes dropp EDAD;
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