
SQL 1ªParte
Authored by Grado Informatica
Computers
2nd Grade
Used 81+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Que significa SQL?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sentencia SQL que se usa para CONSULTAR datos de una tabla en una base de datos:
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sentencia que se usa para ELIMINAR FILAS de una tabla en una base de datos:
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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