Hive Sql Cheat Sheet Pdf
This cheat sheet was so popular we ve created a pdf of the content below so you can print it and use it more easily download here.
Hive sql cheat sheet pdf. Hive is a data warehouse infrastructure and a declarative language like sql suitable to manage all type of data sets while pig is data flow language suitable to explore extremely large datasets only. It is a data warehouse infrastructure based on hadoop framework which is perfectly suitable for data summarization analysis and querying. 984f13 the url of this page. It is a query language used to write the custom map reduce framework in hive to perform more sophisticated analysis of the data table.
Use this handy cheat sheet based on this original mysql cheat sheet to get going with hive and hadoop. It provides a mechanism to project structure onto the data in hadoop and to query that data using a sql like language called hiveql hql. Try refreshing the page. Table in hive is a table which contains.
Cheat sheet hive for sql users 1 additional resources 2 query metadata 3 current sql compatibility command line hive shell if you re already a sql user then working with hadoop may be a little easier than you think thanks to apache hive. Call us 855 hadoop help description returns the rounded bigint value of the double returns the double rounded to d decimal places. A hive table is simply a directory in hdfs containing one or more files by default files are in text format but different formats can be specified the structure and location of the tables are stored in a backing sql database called the metastore transparent for the user can be any rdbms specified at. Apache hive is data warehouse infrastructure built on top of apache hadoop for providing.
This 3 page sql cheat sheet provides you with the most commonly used sql statements. Simple hive cheat sheet for sql users. Download the sql cheat sheet print it out and stick to your desk. This is the reason why hive is always given more preference over pig framework.
It uses an sql like language called hql hive query language hql. It is a query language used to write the custom map reduce framework in hive to perform more sophisticated analysis. It uses an sql like language called hql hive query language hql.