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