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S02 Apache Spark & Delta Lake

Authored by Eladio Yovera

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S02 Apache Spark & Delta Lake
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5 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Haz creado un dataframe a partir de un archivo CSV, deseas guardarlo como una tabla Delta. ¿Qué método debería usar?

df.createOrReplaceTempView("view_name")

df.write.format("delta").saveAsTable("table_name")

df.write.mode("overwrite").parquet("path")

df.write.mode("overwrite").csv("path")

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Qué método de Spark Dataframe es preferible por su rendimiento cuando solo se necesita un subconjunto de columnas?

groupBy

select

filter

SaveAs

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Tienes un dataframe con una columna llamada "date" en formato string, necesitas convertir a formato de fecha. ¿Qué usas?

filter

selectExpr

withColumn

select

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Al crear un custom env en Fabric ¿qué configuración permite usar una versión específica de Apache Spark para las tareas?

Enable high concurrency mode in the workspace settings.

Specify the Spark runtime in the environment settings.

Choose the node family type in the Spark pool configuration.

Ninguna de las anteriores

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which SQL magic command should you use in a Microsoft Fabric notebook to execute SQL queries directly?

%%spark

%%sql

%%pyspark

%%sparkSQL

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