Top 100+ questions and answers in Hive

Apache Technologies Questions and Answers

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Q: What is the difference between an external table and a managed table in Hive?

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: What is a partition in Hive and why is partitioning required in Hive

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: What are the components used in Hive query processors?

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: Suppose there are several small CSV files present in /user/input directory in HDFS and you want to create a single Hive table from these files.

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: Write a query to insert a new column(new_col INT) into a hive table (h_table) at a position before an existing column (x_col).

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: What are the key differences between Hive and Pig?

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: How is Apache Pig different from MapReduce?

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: What are the different ways of executing a Pig script?

answered Dec 3, 2020 in Hive by sharadyadav1986

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Q: Which of the following is an assertion library?

answered Nov 3, 2020 in Hive by rahuljain1

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Q: Which of the following command can be used to show partitions?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Which is the following is more convenient to get table details?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: The result of a Hive query is saved in _______________.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: When there is a large set of data and you want to retrieve a small set of data. What is the concept called?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: If the database contains some tables, then using which keyword can it be forced to drop the tables?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Where is data stored?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: If the partition of an index table is dropped, then

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Hive is a __________________.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: A UDF is created to accept arguments of different data types. Which of the following defines the given statement?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: When the schema of the table doesn’t match with the data types of the file. What does Hive do?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Hive will provide Data Warehousing Layer to data over Hadoop.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Apache Hive was initially developed by ____________.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: In which mode, HiveServer2 accepts real Thrift calls.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Which of the following are types of metastore?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Which of the following options Hive doesn’t convert queries to?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Hive can replace RDBMS.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Hive stores metadata by default in ____________.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: When the schema of the table doesn’t match with the data types of the file that is to be loaded, what does Hive do?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Which of the following command is to be used in a DDL statement to create Avro-backed tables?

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: Hive allows the feature to copy __________.

answered Oct 25, 2020 in Hive by sharadyadav1986

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Q: If you create a table but don't create a database then where will the table be stored?

answered Oct 25, 2020 in Hive by sharadyadav1986

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