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SQL 1ªParte

Authored by Grado Informatica

Computers

2nd Grade

Used 81+ times

SQL 1ªParte
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25 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Que significa SQL?

Structured Question Language
Structured Query Language
Strong Question Language

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Sentencia SQL que se usa para CONSULTAR datos de una tabla en una base de datos:

GET
EXTRACT
OPEN
SELECT

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Sentencia que se usa para ELIMINAR FILAS de una tabla en una base de datos:

REMOVE
DELETE

DROP

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sentencia que permite CONSULTAR todos los datos de la tabla 'Personas':

SELECT * FROM Personas;

SELECT [all] FROM Personas;

SELECT Personas;

SELECT * Personas;

5.

MULTIPLE CHOICE QUESTION

1 min • 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';

6.

MULTIPLE CHOICE QUESTION

1 min • 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='a%'

SELECT * FROM Persons WHERE FirstName LIKE '%a*'

SELECT * FROM Persons WHERE FirstName='a*'

SELECT * FROM Persons WHERE FirstName LIKE 'a%'

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

¿Cuál de las siguientes funciones de agregados se utiliza para calcular la media de los valores de una columna?

SUM

MIN

MAX

AVG

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