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