Sentencias SQL

Quiz
•
Computers
•
5th Grade
•
Hard
Eliobeth lopez
Used 18+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En MySQL encontramos los siguientes tipos de sentencias:
select, update, detete, drop
LDD, LMD,LCD
alter, describ
estrutura, vistas
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Son sentencias DML
USER, CREATE, DESCRIBE
CREATE TABLE, DROP TABLE, ALTER TABLE, CREATE VIEW
SELEC, INSERT, DELETE, UPDATE
GRANT, REVOKE
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
El select correcto es (mas de una repuesta):
selec *from estudiante;
select nombres, apellidos, email from estudiante;
from *select estudiante;
select *from estudiante;
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
el insert correcto es:
insert into Prestamo*
values (1564733,0527103024,'05/27/2021',05/30/2021');
insert into Prestamo (ISBN, CodPrestamo,FechaPrestamo, fehaDevolucion)
values (1564733,0527103024,'05/27/2021',05/30/2021');
update Prestamo (ISBN, CodPrestamo,FechaPrestamo, fehaDevolucion)
values (1564733,0527103024,'05/27/2021',05/30/2021');
select into Prestamo (ISBN, CodPrestamo,FechaPrestamo, fehaDevolucion)
values (1564733,0527103024,'05/27/2021',05/30/2021');
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
es un DBMS
BDDLL
Sistema de gestión de bases de datos no relacionales
Ninguna de las anteriores
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Qué se entiende por tabla ?
Un campo es una columna en una tabla
Son atributos
Es una base de datos.
Es un conjunto de datos organizado en forma de filas y columnas
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
¿Qué es una clave primaria? (dos repuestas)
Una clave primaria es una columna o conjunto de columnas que identifica de forma exclusiva cada fila de una tabla.
el campo que puede ser llave foranea
Identifica de forma exclusiva una fila en una tabla
esta en todas las tablas
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un select correcto es?
SELECT FROM table1
selecr join tabla1 where
SELECT rows FROM sysindexes WHERE id = OBJECT_ID(table1) AND indid < 2
SELECT COUNT(*) FROM table1
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