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.
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Course Outline
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.
Text files, SequenceFile, RCFile, Avro files. ORC files, Parquet, Custom INPUT FORMAT, and OUTPUT FORMAT are the different file formats supported by Apache Hive.
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?
Will I get a certificate after completing this Apache Hive free course?
Yes, you will get a certificate of completion for Apache Hive after completing all the modules and cracking the assessment. The assessment tests your knowledge of the subject and badges your skills.
How much does this Apache Hive course cost?
It is an entirely free course from Great Learning Academy. Anyone interested in learning the basics of Apache Hive can get started with this course.
Is there any limit on how many times I can take this free course?
Once you enroll in the Apache Hive course, you have lifetime access to it. So, you can log in anytime and learn it for free online.
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Apache Hive Course
Apache Hive is a data warehousing and SQL-like query language for Apache Hadoop that provides a high-level interface for performing data analysis and manipulation on large datasets stored in Hadoop Distributed File System (HDFS).
The free course on Introduction to Apache Hive is designed to give you a comprehensive overview of Hive and its capabilities. You'll start with the basics, including an introduction to Hive, its architecture, and the various components that make up Hive.
You'll learn about internal tables, including how to create and manage them, and how to load different file formats into Hive, including CSV, JSON, and Parquet. You'll also learn about query operations on Hive tables, including filtering, aggregation, and grouping, as well as how to query complex structures from a table, such as arrays and maps.
One of the main benefits of Hive is its ability to help businesses handle large amounts of data and make data-driven decisions. With Hive, you can easily analyze large datasets, gain insights into your data, and make informed decisions based on your data analysis. Whether you're a data analyst, data scientist, or business analyst, Hive is a powerful tool for helping you make sense of your data and make better decisions.
In conclusion, the free course on Introduction to Apache Hive is an excellent resource for anyone looking to gain a comprehensive understanding of Hive and its capabilities. Whether you're a beginner or an experienced data professional, this course will help you expand your skill set and advance your career in big data processing and analysis.