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Hive MCQs and Answers With Explanation – The Hive MCQ Questions and Answers that are included in this article covers topics such as data modeling, data querying, data transformation, and more. By answering these questions, users can enhance their proficiency in Hive and leverage its capabilities to derive insights from their data. These Hive Quiz With Answers will surely help the aspirants who are in search of preparation material to confidently appear for the placement test or interview on Hive.
Hive MCQs
To help the aspirants to understand the Hive concept better we have given you the intro to the Hive, “Hive is an open-source data warehousing and SQL-like query tool developed by the Apache Software Foundation. It enables users to access and analyze large datasets stored in Hadoop Distributed File System (HDFS). Hive uses a SQL-like syntax, known as HiveQL, to perform queries and analysis on structured data”. The top 60 Hive MCQs with Answers are designed to test users’ knowledge and understanding of Hive features and functionalities.
Hive MCQs with Answers
| Name | Hive |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 60 Hive Multiple Choice Questions | Practice Online Quiz
1. What is Hive?
A. A data processing tool
B. A database management system
C. A distributed computing system
D. A cloud computing service
Answer: A. A data processing tool
Explanation: Hive is a data processing tool that provides an SQL-like interface to Hadoop, allowing users to query and analyze large datasets stored in Hadoop Distributed File System (HDFS).
2. Which of the following is NOT a data warehouse system that can be integrated with Hive?
A. Apache HBase
B. Apache Cassandra
C. Apache Druid
D. Apache Kylin
Answer: B. Apache Cassandra
Explanation: Hive can integrate with various data warehouse systems, including Apache HBase, Apache Druid, and Apache Kylin, but not Apache Cassandra, which is a NoSQL database.
3. What is the language used to write Hive queries?
A. Java
B. Python
C. SQL
D. HiveQL
Answer: D. HiveQL
Explanation: Hive provides a SQL-like interface called HiveQL, which allows users to write queries to analyze data stored in Hadoop.
4. Which of the following is a Hive built-in function for filtering data based on multiple conditions?
A. BETWEEN
B. IN
C. LIKE
D. CASE
Answer: D. CASE
Explanation: The CASE function in Hive allows users to filter data based on multiple conditions. It works like a switch statement in other programming languages.
5. Which of the following commands is used to create a new database in Hive?
A. CREATE TABLE
B. CREATE PARTITION
C. CREATE DATABASE
D. CREATE VIEW
Answer: C. CREATE DATABASE
Explanation: The CREATE DATABASE command is used to create a new database in Hive.
6. What is the default file format used by Hive to store data in HDFS?
A. CSV
B. Avro
C. Parquet
D. ORC
Answer: D. ORC
Explanation: The default file format used by Hive to store data in HDFS is ORC (Optimized Row Columnar).
7. What is a Hive partition?
A. A subset of data in a Hive table
B. A type of Hive table
C. A directory in HDFS
D. A Hive database
Answer: A. A subset of data in a Hive table
Explanation: A Hive partition is a subset of data in a Hive table that is based on a specific column value.
8. Which of the following commands is used to create a Hive table?
A. CREATE DATABASE
B. CREATE PARTITION
C. CREATE VIEW
D. CREATE TABLE
Answer: D. CREATE TABLE
Explanation: The CREATE TABLE command is used to create a new table in Hive.
9. Which of the following is NOT a supported file format for storing data in Hive?
A. CSV
B. JSON
C. XML
D. YAML
Answer: D. YAML
Explanation: Hive supports various file formats for storing data, including CSV, JSON, and XML, but not YAML.
10. What is Hive metastore?
A. A tool for managing Hive databases
B. A file format for storing Hive metadata
C. A component that stores metadata for Hive tables and partitions
D. A Hive server that processes queries
Answer: C. A component that stores metadata for Hive tables and partitions
Explanation: Hive metastore is a component that stores metadata for Hive tables and partitions, including table schemas, column definitions, and partition locations.
11. Which of the following commands is used to load data into a Hive table?
A. INSERT INTO
B. LOAD DATA
C. CREATE TABLE
D. ALTER TABLE
Answer: B. LOAD DATA
Explanation: The LOAD DATA command is used to load data into a Hive table from an external file.
12. Which of the following is NOT a data type supported by Hive?
A. BOOLEAN
B. CHAR
C. ARRAY
D. FLOAT
Answer: B. CHAR
Explanation: Hive supports various data types, including BOOLEAN, ARRAY, and FLOAT, but not CHAR.
13. What is the purpose of Hive’s EXPLAIN command?
A. To execute a Hive query
B. To display the query plan for a Hive query
C. To debug a Hive query
D. To optimize a Hive query
Answer: B. To display the query plan for a Hive query
Explanation: The EXPLAIN command in Hive is used to display the query plan for a Hive query, showing how the query will be executed and which operations will be used.
14. Which of the following commands is used to remove a Hive table?
A. DROP DATABASE
B. DROP PARTITION
C. DROP VIEW
D. DROP TABLE
Answer: D. DROP TABLE
Explanation: The DROP TABLE command is used to remove a Hive table.
15. Which of the following is NOT a Hive function for manipulating strings?
A. SUBSTRING
B. LENGTH
C. CONCAT
D. ADD
Answer: D. ADD
Explanation: Hive provides various built-in functions for manipulating strings, including SUBSTRING, LENGTH, and CONCAT, but not ADD.
16. Which of the following commands is used to create an external table in Hive?
A. CREATE TABLE
B. CREATE EXTERNAL TABLE
C. CREATE MANAGED TABLE
D. CREATE TEMPORARY TABLE
Answer: B. CREATE EXTERNAL TABLE
Explanation: The CREATE EXTERNAL TABLE command is used to create an external table in Hive, which points to data stored outside of Hive.
17. What is the purpose of Hive’s GROUP BY clause?
A. To group data based on specific column values
B. To sort data based on specific column values
C. To filter data based on specific column values
D. To join multiple tables based on specific column values
Answer: A. To group data based on specific column values
Explanation: The GROUP BY clause in Hive is used to group data based on specific column values, allowing users to aggregate and summarize data.
18. Which of the following commands is used to rename a Hive table?
A. RENAME TABLE
B. ALTER TABLE
C. UPDATE TABLE
D. MODIFY TABLE
Answer: A. RENAME TABLE
Explanation: The RENAME TABLE command is used to rename a Hive table.
19. Which of the following is NOT a supported join type in Hive?
A. INNER JOIN
B. LEFT OUTER JOIN
C. RIGHT OUTER JOIN
D. FULL OUTER JOIN
Answer: D. FULL OUTER JOIN
Explanation: Hive supports various join types, including INNER JOIN, LEFT OUTER JOIN, and RIGHT OUTER JOIN, but not FULL OUTER JOIN.
20. Which of the following commands is used to add a new column to a Hive table?
A. ADD COLUMN
B. ALTER COLUMN
C. MODIFY COLUMN
D. CHANGE COLUMN
Answer: A. ADD COLUMN
Explanation: The ADD COLUMN command is used to add a new column to a Hive table.
21. Which of the following is NOT a Hive data format for storing data in HDFS?
A. ORC
B. Parquet
C. Avro
D. JSON
Answer: D. JSON
Explanation: Hive supports various data formats for storing data in HDFS, including ORC, Parquet, and Avro, but not JSON.
22. What is the purpose of Hive’s HAVING clause?
A. To group data based on specific column values
B. To sort data based on specific column values
C. To filter data based on specific column values
D. To limit the number of results returned by a query
Answer: C. To filter data based on specific column values
Explanation: The HAVING clause in Hive is used to filter data based on specific column values after the GROUP BY clause has been applied.
23. Which of the following is a valid way to insert data into a Hive table?
A. INSERT INTO my_table VALUES (1, ‘hello’, true)
B. LOAD DATA INPATH ‘/path/to/data’ INTO TABLE my_table
C. COPY FROM ‘/path/to/data’ TO TABLE my_table
D. IMPORT DATA ‘/path/to/data’ INTO TABLE my_table
Answer: B. LOAD DATA INPATH ‘/path/to/data’ INTO TABLE my_table
Explanation: The LOAD DATA INPATH command is used to insert data into a Hive table from an external file.
24. Which of the following commands is used to list all of the tables in a Hive database?
A. SHOW DATABASES
B. SHOW TABLES
C. DESCRIBE DATABASE
D. DESCRIBE TABLE
Answer: B. SHOW TABLES
Explanation: The SHOW TABLES command is used to list all of the tables in a Hive database.
25. Which of the following is NOT a Hive function for working with dates and times?
A. YEAR
B. MONTH
C. HOUR
D. CONCAT
Answer: D. CONCAT
Explanation: Hive provides various built-in functions for working with dates and times, including YEAR, MONTH, and HOUR, but not CONCAT.
26. Which of the following is a valid Hive query to select all of the columns from a table called my_table?
A. SELECT * FROM my_table
B. SELECT ALL FROM my_table
C. SELECT COLUMNS FROM my_table
D. SELECT DATA FROM my_table
Answer: A. SELECT * FROM my_table
Explanation: The SELECT * FROM command is used to select all of the columns from a table in Hive.
27. Which of the following commands is used to add a new partition to a Hive table?
A. ADD PARTITION
B. ALTER PARTITION
C. MODIFY PARTITION
D. CHANGE PARTITION
Answer: A. ADD PARTITION
Explanation: The ADD PARTITION command is used to add a new partition to a Hive table.
28. Which of the following is a valid way to create a Hive table with a custom delimiter?
A. CREATE TABLE my_table (col1 INT, col2 STRING) DELIMITER ‘,’
B. CREATE TABLE my_table (col1 INT, col2 STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY ‘,’
C. CREATE TABLE my_table (col1 INT, col2 STRING) TERMINATED BY ‘,’
D. CREATE TABLE my_table (col1 INT, col2 STRING) DELIMITED BY ‘,’
Answer: B. CREATE TABLE my_table (col1 INT, col2 STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY ‘,’
Explanation: The ROW FORMAT DELIMITED FIELDS TERMINATED BY command is used to create a Hive table with a custom delimiter.
29. Which of the following is a valid Hive query to select the top 10 rows from a table called my_table?
A. SELECT * FROM my_table LIMIT 10
B. SELECT TOP 10 FROM my_table
C. SELECT FIRST 10 FROM my_table
D. SELECT ROW
Answer: A. SELECT * FROM my_table LIMIT 10
Explanation: The LIMIT clause is used to limit the number of rows returned by a Hive query, and it can be used with the SELECT statement to select the top N rows from a table.
30. Which of the following commands is used to drop a Hive table?
A. DROP TABLE my_table
B. REMOVE TABLE my_table
C. DELETE TABLE my_table
D. DESTROY TABLE my_table
Answer: A. DROP TABLE my_table
Explanation: The DROP TABLE command is used to drop a Hive table.
31. Which of the following commands is used to list all of the databases in Hive?
A. SHOW DATABASES
B. LIST DATABASES
C. DESCRIBE DATABASES
D. DISPLAY DATABASES
Answer: A. SHOW DATABASES
Explanation: The SHOW DATABASES command is used to list all of the databases in Hive.
32. Which of the following is a valid way to create a Hive table that is partitioned by date?
A. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITIONED BY (date_col DATE)
B. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITIONED ON date_col
C. CREATE TABLE my_table (col1 INT, col2 STRING) DATE PARTITIONED
D. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITIONED BY date_col
Answer: D. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITIONED BY date_col
Explanation: The PARTITIONED BY command is used to create a Hive table that is partitioned by a specific column, such as a date column.
33. Which of the following commands is used to modify the structure of a Hive table?
A. MODIFY TABLE
B. ALTER TABLE
C. CHANGE TABLE
D. UPDATE TABLE
Answer: B. ALTER TABLE
Explanation: The ALTER TABLE command is used to modify the structure of a Hive table, such as adding or dropping columns.
34. Which of the following is a valid Hive query to select the distinct values of a column from a table called my_table?
A. SELECT DISTINCT col1 FROM my_table
B. SELECT UNIQUE col1 FROM my_table
C. SELECT ALL DISTINCT col1 FROM my_table
D. SELECT DISTINCT ALL col1 FROM my_table
Answer: A. SELECT DISTINCT col1 FROM my_table
Explanation: The SELECT DISTINCT command is used to select the distinct values of a column from a table in Hive.
35. Which of the following commands is used to set the delimiter for a Hive query output file?
A. SET DELIMITER
B. SET TERMINATOR
C. SET OUTPUT DELIMITER
D. SET OUTPUT TERMINATOR
Answer: C. SET OUTPUT DELIMITER
Explanation: The SET OUTPUT DELIMITER command is used to set the delimiter for a Hive query output file.
36. Which of the following is a valid Hive query to join two tables called table1 and table2 on a common column called col1?
A. SELECT * FROM table1, table2 WHERE table1.col1 = table2.col1
B. SELECT * FROM table1 JOIN table2 ON table1.col1 = table2.col1
C. SELECT * FROM table1 INNER JOIN table2 ON table1.col1 = table2.col1
D. All of the above
Answer: D. All of the above
Explanation: All of the above options are valid ways to join two tables in Hive.
37. Which of the following is a valid Hive query to filter rows in a table called my_table where the value of col1 is greater than 10?
A. SELECT * FROM my_table WHERE col1 > 10
B. SELECT * FROM my_table HAVING col1 > 10
C. SELECT * FROM my_table FILTER col1 > 10
D. All of the above
Answer: A. SELECT * FROM my_table WHERE col1 > 10
Explanation: The WHERE clause is used to filter rows in Hive, and the > operator can be used to compare the value of a column to a specific value.
38. Which of the following is a valid Hive query to group the rows in a table called my_table by the values in col1 and calculate the sum of col2 for each group?
A. SELECT col1, SUM(col2) FROM my_table GROUP BY col1
B. SELECT col1, AVG(col2) FROM my_table GROUP BY col1
C. SELECT col1, MAX(col2) FROM my_table GROUP BY col1
D. All of the above
Answer: A. SELECT col1, SUM(col2) FROM my_table GROUP BY col1
Explanation: The GROUP BY clause is used to group the rows in Hive by the values in one or more columns, and aggregate functions like SUM can be used to calculate the sum of another column for each group.
39. Which of the following commands is used to create a Hive database?
A. CREATE DATABASE my_db
B. MAKE DATABASE my_db
C. ADD DATABASE my_db
D. BUILD DATABASE my_db
Answer: A. CREATE DATABASE my_db
Explanation: The CREATE DATABASE command is used to create a Hive database.
40. Which of the following is a valid Hive query to order the rows in a table called my_table by the values in col1 in descending order?
A. SELECT * FROM my_table ORDER BY col1 DESC
B. SELECT * FROM my_table SORT BY col1 DESC
C. SELECT * FROM my_table ARRANGE BY col1 DESC
D. SELECT * FROM my_table GROUP BY col1 DESC
Answer: A. SELECT * FROM my_table ORDER BY col1 DESC
Explanation: The ORDER BY clause is used to order the rows in Hive by the values in one or more columns, and the DESC keyword can be used to order the rows in descending order.
41. Which of the following commands is used to load data into a Hive table from a file?
A. LOAD DATA my_table FROM ‘/path/to/file’
B. INSERT DATA my_table FROM ‘/path/to/file’
C. LOAD DATA INFILE ‘/path/to/file’ INTO TABLE my_table
D. INSERT INTO my_table FROM ‘/path/to/file’
Answer: C. LOAD DATA INFILE ‘/path/to/file’ INTO TABLE my_table
Explanation: The LOAD DATA INFILE command is used to load data into a Hive table from a file.
42. Which of the following is a valid Hive query to select the top 10 rows from a table called my_table, ordered by the values in col1 in descending order?
A. SELECT * FROM my_table ORDER BY col1 DESC LIMIT 10
B. SELECT * FROM my_table ORDER BY col1 DESC FETCH FIRST 10 ROWS ONLY
C. SELECT * FROM my_table ORDER BY col1 DESC ROWS 10
D. SELECT * FROM my_table ORDER BY col1 DESC TOP 10
Answer: A. SELECT * FROM my_table ORDER BY col1 DESC LIMIT 10
Explanation: The LIMIT clause can be used with the SELECT statement to select the top N rows from a table in Hive, and the ORDER BY clause can be used to order the rows by the values
43. Which of the following Hive functions is used to calculate the average value of a column?
A. SUM()
B. COUNT()
C. AVG()
D. MAX()
Answer: C. AVG()
Explanation: The AVG() function is used to calculate the average value of a column in Hive.
44. Which of the following commands is used to create a Hive table that is partitioned by the values in a specific column?
A. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITIONED BY (col3 INT)
B. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITION col3 BY (INT)
C. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITION BY col3 INT
D. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITION (col3 INT)
Answer: A. CREATE TABLE my_table (col1 INT, col2 STRING) PARTITIONED BY (col3 INT)
Explanation: The PARTITIONED BY clause is used to create a Hive table that is partitioned by the values in a specific column.
45. Which of the following Hive functions is used to calculate the maximum value of a column?
A. SUM()
B. COUNT()
C. AVG()
D. MAX()
Answer: D. MAX()
Explanation: The MAX() function is used to calculate the maximum value of a column in Hive.
46. Which of the following commands is used to drop a Hive database?
A. DROP DATABASE my_db
B. DELETE DATABASE my_db
C. REMOVE DATABASE my_db
D. ERASE DATABASE my_db
Answer: A. DROP DATABASE my_db
Explanation: The DROP DATABASE command is used to drop a Hive database.
47. Which of the following is a valid Hive query to join two tables called table1 and table2 on the values in col1?
A. SELECT * FROM table1 JOIN table2 ON table1.col1 = table2.col1
B. SELECT * FROM table1 INNER JOIN table2 ON table1.col1 = table2.col1
C. SELECT * FROM table1 LEFT OUTER JOIN table2 ON table1.col1 = table2.col1
D. All of the above
Answer: D. All of the above
Explanation: All three of these queries are valid ways to join two tables in Hive.
48. Which of the following Hive functions is used to calculate the total number of rows in a table?
A. SUM()
B. COUNT()
C. AVG()
D. MAX()
Answer: B. COUNT()
Explanation: The COUNT() function is used to calculate the total number of rows in a table in Hive.
49. Which of the following commands is used to insert data into a Hive table?
A. INSERT DATA INTO my_table VALUES (1, ‘value1’), (2, ‘value2’)
B. INSERT INTO my_table VALUES (1, ‘value1’), (2, ‘value2’)
C. INSERT my_table VALUES (1, ‘value1’), (2, ‘value2’)
D. None of the above
Answer: B. INSERT INTO my_table VALUES (1, ‘value1’), (2, ‘value2’)
Explanation: The INSERT INTO command is used to insert data into a Hive table.
50. Which of the following Hive functions is used to calculate the minimum value of a column?
A. SUM()
B. COUNT()
C. AVG()
D. MIN()
Answer: D. MIN()
Explanation: The MIN() function is used to calculate the minimum value of a column in Hive.
51. Which of the following commands is used to view the data in a Hive table?
A. SHOW DATA my_table
B. SELECT * FROM my_table
C. VIEW DATA my_table
D. DESCRIBE my_table
Answer: B. SELECT * FROM my_table
Explanation: The SELECT command is used to view the data in a Hive table.
52. Which of the following is a valid Hive query to filter rows in a table where col1 is equal to 1?
A. SELECT * FROM my_table WHERE col1 = 1
B. SELECT * FROM my_table HAVING col1 = 1
C. SELECT * FROM my_table GROUP BY col1 HAVING col1 = 1
D. None of the above
Answer: A. SELECT * FROM my_table WHERE col1 = 1
Explanation: The WHERE clause is used to filter rows in a Hive table based on a condition.
53. Which of the following Hive functions is used to concatenate two or more strings together?
A. CONCAT()
B. SUBSTR()
C. UPPER()
D. LOWER()
Answer: A. CONCAT()
Explanation: The CONCAT() function is used to concatenate two or more strings together in Hive.
54. Which of the following commands is used to view the structure of a Hive table?
A. SHOW my_table STRUCTURE
B. DESCRIBE my_table
C. VIEW my_table STRUCTURE
D. None of the above
Answer: B. DESCRIBE my_table
Explanation: The DESCRIBE command is used to view the structure of a Hive table.
55. Which of the following Hive functions is used to return a substring of a string?
A. CONCAT()
B. SUBSTR()
C. UPPER()
D. LOWER()
Answer: B. SUBSTR()
Explanation: The SUBSTR() function is used to return a substring of a string in Hive.
56. Which of the following commands is used to view the list of tables in a Hive database?
A. SHOW TABLES my_db
B. LIST TABLES my_db
C. DESCRIBE DATABASE my_db
D. None of the above
Answer: A. SHOW TABLES my_db
Explanation: The SHOW TABLES command is used to view the list of tables in a Hive database.
57. Which of the following Hive functions is used to convert a string to uppercase?
A. CONCAT()
B. SUBSTR()
C. UPPER()
D. LOWER()
Answer: C. UPPER()
Explanation: The UPPER() function is used to convert a string to uppercase in Hive.
58. Which of the following Hive functions is used to convert a string to lowercase?
A. CONCAT()
B. SUBSTR()
C. UPPER()
D. LOWER()
Answer: D. LOWER()
Explanation: The LOWER() function is used to convert a string to lowercase in Hive.
59. Which of the following commands is used to create a new Hive table?
A. CREATE my_table
B. ADD my_table
C. CREATE TABLE my_table
D. None of the above
Answer: C. CREATE TABLE my_table
Explanation: The CREATE TABLE command is used to create a new Hive table.
60. Which of the following commands is used to load data into a Hive table from an external file?
A. LOAD DATA INFILE ‘file_path’ INTO TABLE my_table
B. LOAD DATA INTO TABLE my_table FROM ‘file_path’
C. INSERT DATA INTO my_table FROM ‘file_path’
D. None of the above
Answer: A. LOAD DATA INFILE ‘file_path’ INTO TABLE my_table
Explanation: The LOAD DATA INFILE command is used to load data into a Hive table from an external file.
Hive is a powerful tool for accessing and analyzing large datasets stored in HDFS. With its SQL-like syntax and rich feature set, Hive provides users with a flexible and scalable solution for data warehousing and analysis. By mastering Hive and its various capabilities through these Hive Multiple Choice Questions, users can effectively extract valuable insights from their data. Follow the Freshersnow website for more useful articles for your placement test preparation.