Apache Hive is developed by
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Apache
Facebook
Yahoo
Hadoop Inc.
Apache Hive is a
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Database
File System
ETL Tool
Warehouse
Which is a complex data type in Hive
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List
Spare
Boolean
Struct
Which option will block the deletion of the database if it holds tables
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RESTRICT
XACT_ABORT ON
STOP
CASCADE
Which one is wrong statement?
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LOAD DATA INPATH '/user/cloudera/Test.csv' INTO TABLE Test;
INSERT INTO Test SELECT * FROM TempTest;
LOAD DATA INPATH 'Desktop/Test.csv' INTO TABLE Test;
LOAD DATA LOCAL INPATH 'Desktop/Test.csv' INTO TABLE Test;
Which one is true for Hive Partitions?
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Partitions can be dropped
Partitions can be added after table creation
Partition name can be changed
All the above
Display list of the tables from Hive database
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DIR
DISPLAY TABLE
SHOW TABLES
LIST TABLES
Which statement will return an error?
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CREATE TABLE parquet_table AS SELECT id FROM sourcetable AS PARQUET;
CREATE PARQUET TABLE parquet_table(id INT);
CREATE TABLE parquet_table AS SELECT id FROM sourcetable;
CREATE TABLE parquet_table(id INT) STORED AS PARQUET;
Which one is NOT true for Hive Partitions
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Partitioning improves query performance
Partitioning allows you to store data in local file system
Partitioning distributes execution load horizontally.
Partitioning separates large datasets into manageable chunks
By default, Hive stores metadata in
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Apache HDFS
Local System
Apache Derby
MySQL
Which property to be used to enable dynamic partition?
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set hive.exec.dynamic.parition.mode = strict;
set hive.exec.partition.dynamic.mode = nonstrict;
set hive.exec.dynamic.parition.mode = nonstrict;
set hive.exec.partition.dynamic.mode = strict;
Array in Apache Hive is
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a collection of elements of different data types
a key-value pair
a collection of homogeneous elements
a collection of tables
Array in Apache Hive is
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Primitive Data Type
Difficult Data Type
Complex Data Type
Special Data Type
Which file formats are supported by Apache Hive
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RC File Format & ORC File Format
All are correct
Parquet & Avro
Text File Format & Sequence File Format
The metadata doesn't contain
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Column Names
Partitions Information
Bucketing Information
Data
Your Name
First Name
Last Name
Your Email ID
Email