Apache Hive is developed by
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Apache
Hadoop Inc.
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Yahoo
Apache Hive is a
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ETL Tool
Warehouse
Database
File System
Which is a complex data type in Hive
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Spare
Struct
List
Boolean
Which option will block the deletion of the database if it holds tables
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CASCADE
XACT_ABORT ON
RESTRICT
STOP
Which one is wrong statement?
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LOAD DATA INPATH '/user/cloudera/Test.csv' INTO TABLE Test;
LOAD DATA LOCAL INPATH 'Desktop/Test.csv' INTO TABLE Test;
INSERT INTO Test SELECT * FROM TempTest;
LOAD DATA 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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DISPLAY TABLE
DIR
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 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 allows you to store data in local file system
Partitioning separates large datasets into manageable chunks
Partitioning distributes execution load horizontally.
Partitioning improves query performance
By default, Hive stores metadata in
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MySQL
Local System
Apache HDFS
Apache Derby
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 = strict;
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 tables
a collection of elements of different data types
a key-value pair
a collection of homogeneous elements
Array in Apache Hive is
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Difficult Data Type
Primitive Data Type
Complex Data Type
Special Data Type
Which file formats are supported by Apache Hive
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Text File Format & Sequence File Format
Parquet & Avro
All are correct
RC File Format & ORC File Format
The metadata doesn't contain
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Bucketing Information
Column Names
Partitions Information
Data
Your Name
First Name
Last Name
Your Email ID
Email