Question 1

What is the advantage of using INSERT OVERWRITE DIRECTORY over INSERT INTO in Hive?

Options :

A : It appends results to the existing data.

B : It overwrites existing data in the specified directory.

C : It creates a backup of the query results.

D : It creates a new table for results.

Answer: B

Question 2

How do you format a date to 'YYYY-MM-DD' in Impala?

Options :

A : TO_DATE

B : DATE_FORMAT

C : FORMAT_DATE

D : CONVERT_DATE

Answer: B

Question 3

What is the purpose of using the INSERT OVERWRITE statement in Hive?

Options :

A : To delete data from a table

B : To create a new table

C : To append data to an existing table

D : To update existing records

Answer: C

Question 4

Which tool should you use for interactive SQL queries on large datasets in a Cloudera environment?

Options :

A : Apache HBase

B : Apache Spark SQL

C : Apache Hive

D : Apache Impala

Answer: D

Question 5

How do you format a date to 'YYYY-MM-DD' in Impala?

Options :

A : TO_DATE

B : DATE_FORMAT

C : FORMAT_DATE

D : CONVERT_DATE

Answer: B

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