Evaluación de conocimientos
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Medium
José Maldonado
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual es la sintaxis correcta para emplear la funcion TRIM
TRIM("variable")
TRIM(Variable)
TRIM("variable");
Todas las anteriores funcionan
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tenemos una tabla con nombres de empleados, Selecciona el Query que regresa los nombres que terminan con la letra E
SELECT nombre FROM empleados WHERE nombre LIKE ("%E%")
SELECT nombre FROM empleados WHERE nombre LIKE ("E%")
SELECT nombre FROM empleados WHERE nombre LIKE ("%E")
SELECT nombre FROM empleados WHERE nombre LIKE = ("%E")
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si empleamos la Función LPAD(ID,10,"0") sobre el ID = 123456
¿Cual es el resultado?
000123456
1234560000
0012345600
0000123456
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Verdadero o Falso el ORDER va antes de GROUP BY
VERDADERO
FALSO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual de los siguientes Querys regresa todos los id en la tabla clientes
(sin duplicados).
SELECT ALL id
FROM clientes
SELECT DISTINCT id
FROM clientes
SELECT * id
FROM clientes
SELECT *
FROM clientes
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es la sentencia SQL utilizada para combinar tablas basadas en una
columna relacionada?
COMBINE
CONNECT
JOIN
MERGE
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es la función SQL que devuelve el valor más grande de una columna específica?
TOP
TOP()
MAX
MAX()
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