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