
BASES DE DATOS RELACIONALES- FUNCIONES
Authored by Eliseth Sepulveda
Computers
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Toda consulta comienza con:
FROM
SELECT
CUAL ES?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando existe una condición en la pregunta, debo consultar con la sentencia:
COMO
PERO
WHERE
BUT
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si quiero saber cuantos registros existen en un tabla, debo usar la función:
SUM
>=
COUNT
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para conocer el promedio de una tabla numérica, debo aplicar la función:
PROM
SUM Y PROM
DIVIDIR
AVG
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si mi consulta involucra dos tablas, se que debo usar:
comas en el FROM
JOIN
Es un SELECT igual que el de una tabla
No sé.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para mostrar las respuesta de una consulta en minúscula, debo usar la función:
LOWER
UPPER
LPAD
RPAD
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si quiero que mis respuestas se muestres alineadas a la derecha, debo usar la función:
LOWER
UPPER
RPAD
LPAD
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