Introduction to Apache Hive
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About this course
This is an introductory course on one of the most used tools in big data - Apache Hive, an ETL(Extraction, Transformation, and Loading) tool, and data warehouse infrastructure software that can create interaction between users and Hadoop Distributed File System (HDFS). The course starts with the introduction to Hive before progressing to the following topics, which utilize a hands-on approach to explain. You will learn internal and external table structures, reading data from different formats into Hive structure. With the help of an easy and intuitive explanation, you will get a good grasp of how to load data into Hive, querying techniques, and generate views in Hive tables. One of the best e-learning institutes in India, Great Lakes Executive Learning, offers you a world-class Post-Graduate Program in the Cloud Computing domain. Register yourself in India’s #1 ranked cloud computing course and, after completing the program, secure a Postgraduate Certificate in the Cloud Computing field from Great Lakes Executive Learning. Our faculty and mentors team comprises leading academicians in Cloud Computing and various experienced industry professionals from top-notch organizations.
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Course Outline
Introduction to Hive
Hive Demo - Basics and Internal Table
The internal table gets created by default in a specific location in Apache Hive when the user does not specify it as external, with the path similar to /user/hive/warehouse directory of HDFS.
Hive Demo - External table
Hive Demo - Loading Different File Formats
Text files, SequenceFile, RCFile, Avro files. ORC files, Parquet, Custom INPUT FORMAT, and OUTPUT FORMAT are the different file formats supported by Apache Hive.
Hive Demo - Load Data Into Hive Table
Start Hadoop Daemon, launch hive terminal hive, write commands and insert query. You will then be able to load data into hive tables.
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Frequently Asked Questions
Will I receive a certificate upon completing this free course?
Is this course free?
What is Apache Hive used for?
Apache Hive is used for reading, writing, and managing large data set files stored directly in HDFS or any other data storage systems such as Apache HBase.
Is Apache Hive a database?
Apache Hive is an open-source data warehouse software.
Who uses Apache Hive?
Data Analysts, Researchers, and Programmers use Apache Hive to read, write, and manage large data sets.
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