EXAMEN SQL

EXAMEN SQL

1st Grade

12 Qs

quiz-placeholder

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EXAMEN SQL

EXAMEN SQL

Assessment

Quiz

Instructional Technology

1st Grade

Hard

Created by

Adriana Forero

Used 89+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En una consulta se quiere dos un campos, la sentencia correcta es:

Concatenar(ud,"",sueldo)

concat(apellidos.(apellidos,' ',nombres)

unir(apellidos,' ',nombres)

concate(nombres,' ',apellidos)

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

Seleccione la sentencia SQL correcta al crear las dos foreign key de la tabla detalle_producto_proveedor

CONSTRAINT `fk_prod` FOREIGN KEY (`idProducto`) REFERENCES `productos?proveedor` (`idProducto`) CONSTRAINT `fk_prov` FOREIGN KEY (`idProveedor`) REFERENCES `proveedores` (`idproudcto`) ) ENGINE=InnoDB

CONSTRAINT `fk_prod` FOREIGN KEY (`idProducto`) REFERENCES `productos` (`idProducto`) CONSTRAINT `fk_prov` FOREIGN KEY (`idProveedor`) REFERENCES `proveedores` (`id`) ) ENGINE=InnoDB

CONSTRAINT `fk_CatPro` FOREIGN KEY (`idCategoria`) REFERENCES `categoria` (`id`)CONSTRAINT `fk_prod` FOREIGN KEY (`idProducto`) REFERENCES `productos` (`idProducto`)

Ninguna de las anteriores

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Sentencia Sql para actualizar el campo precio a 4000

update productoss set codigo= 4 y codigo= 4000

update from productos set precio = 4000 and where cdigo =4

update productos set precio = 4000 where codigo = 4

update productos where precio = 4000

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

¿Que sentencia permite consultar todos los datos de una tabla 'Persons' donde el valor de la columna 'FirstName' sea 'Peter'

SELECT [all] FROM Persons WHERE FirstName='Peter'

SELECT [all] FROM Persons WHERE FirstName LIKE 'Peter'

SELECT * FROM Persons WHERE FirstName='Peter'

SELECT * FROM Persons WHERE FirstName<>'Peter'

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Que sentencia permite consultar todos los datos de una tabla 'Persons' donde el valor de la columna 'FirstName' comiencen con la letra 'a'?

SELECT * FROM Persons WHERE FirstName LIKE ='a'

SELECT * FROM Persons WHERE FirstName LIKE '%a'

SELECT * FROM Persons WHERE FirstName='%a%

SELECT * FROM Persons WHERE FirstName LIKE 'a%'

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

¿Qué query es correcta?

SELECT Nombres, COUNT(Nombres) FROM Clientes ORDER BY Nombres

SELECT Nombres, COUNT(Nombres) FROM Clientes

SELECT Nombres, COUNT(Nombres) FROM Clientes GROUP BY 2

SELECT Nombres, COUNT(Nombres) FROM Clientes GROUP BY 1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Para seleccionar de la tabla CLIENTES los Nombres que se repiten más de 10 veces debería hacer

SELECT Nombres, COUNT(NOMBRES) FROM Clientes WHERE COUNT(NOMBRES) > 10

SELECT Nombres, COUNT(NOMBRES) FROM Clientes WHERE COUNT(NOMBRES) > 10

SELECT Nombres, COUNT(NOMBRES) >10 FROM Clientes GROUP BY 1

SELECT Nombres, COUNT(NOMBRES) FROM Clientes GROUP BY 1 HAVING COUNT(NOMBRES) > 10

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