
DATABRICKS SPARK SQL SESION PART2
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Professional Development
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licibeth delacruz
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16 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué comando SQL se utiliza para listar los archivos en un directorio específico en Databricks?
%sql ls
%fs ls
%dbfs ls
%list fs
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Para qué sirve el comando %fs mkdirs en Databricks?
Eliminar directorios
Mover archivos
Crear nuevos directorios
Listar directorios
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué es el Catalyst Optimizer en Spark SQL?
Una librería de visualización de datos optimizada
Garbage collector optimizado
Un optimizador de consultas sql
Un gestor de bases de datos sql
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Menciona uno de los modos de escritura de datos en Spark. Elige una o mas
a. merge
b. overwrite
c. link
d. append
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué caracteriza a una tabla Delta?
Solo lee datos en formato CSV y parquet
Solo soporta esquemas fijos
Soporta ACID transactions
Optimiza el Spark SQL en lectura y escritura
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el propósito de particionar datos al escribirlos en formato Parquet o Delta?
Incrementar el espacio de almacenamiento
Mejorar la seguridad de los datos
Mejorar el rendimiento de las consultas
Facilitar la eliminación de datos
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué comando se utiliza para copiar archivos de un directorio a otro en Databricks?
%fs mv
%fs cp
%fs transfer
%py cp
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