California far-and-away leads the nation in the number of homes with installed rooftop solar. It was helped to the top by a California Energy Commission program that provided financial incentives for homeowners, builders, and developers to include solar energy systems on…
SACRAMENTO – The California State Senate has confirmed Commissioner Siva Gunda to the California Energy Commission (CEC). The Governor appoints five commissioners to staggered five-year terms after Senate confirmation. Each commissioner appointed must come from and represent specific…
A more strategic use of data on energy consumption and usage patterns is key to helping California make a sharp shift to meet the state’s clean energy goals of doubling…
Today, Oct. 8 is National Hydrogen and Fuel Cell Day, created to increase awareness about hydrogen and fuel cell technologies. Hydrogen fuel cell electric vehicles are highly-efficient, have zero tailpipe…
Neo4j is an open-source graph database, implemented in Java.The developers describe Neo4j as "embedded, disk-based, fully transactional Java persistence engine that stores data structured in graphs rather than in tables".…
Pig provides extensive support for user defined functions (UDFs) as a way to specify custom processing. Pig UDFs can currently be implemented in three languages: Java, Python, JavaScript, Ruby and…
Command line interface: It’s the default and the most common way of accessing hive. Hiveserver : Runs hive as a server exposing a thrift service,enabling access from a range of…
Hive Vs Pig Feature Hive Pig Language SQL-like PigLatin Schemas/Types Yes (explicit) Yes (implicit) Partitions Yes No Server Optional (Thrift) No User Defined Functions (UDF) Yes (Java) Yes (Java) Custom…
There are three complex types in hive, arrays: It is an ordered collection of elements.The elements in the array must be of the same type. map: It is an unordered…