Las funciones de agregación en SQL nos permiten efectuar operaciones sobre un conjunto valores, pero devolviendo:
Administracion de Base de datos

Quiz
•
Computers
•
5th Grade
•
Medium
Margarita Morillo
Used 308+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
un unico valor
varios valores
valores multiples
un valor string
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son funciones de Agregado
sum, count
max, min
avg
todas las anteiores
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el comando utilizado para la recuperacion de Registros
From
Drop
Select
Alter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son las Cláusulas principales del comando Select
All, Distinct, Order Bay
Top, From, Having
Where, group By
todas las anteiores
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la cláusula que permite condicionar el resultado de un consulta
Group By
Top
From
where
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Especifica el conjunto de filas devueltas por la consulta
Distinct
top
All
From
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Permite ordenar los Registros de acuerdo a un columna especifica.
Order By
Having
Group By
Top
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