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2. Data type - Wikipedia

   en.wikipedia.org/wiki/Data_type

   The standard type hierarchy of Python 3. In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible values, a set of allowed operations on these values, and/or a representation of these values as machine types. [1]

3. Batch processing - Wikipedia

   en.wikipedia.org/wiki/Batch_processing

   Early computers were capable of running only one program at a time. Each user had sole control of the machine for a scheduled period of time. They would arrive at the computer with program and data, often on punched paper cards and magnetic or paper tape, and would load their program, run and debug it, and carry off their output when done.

4. R (programming language) - Wikipedia

   en.wikipedia.org/wiki/R_(programming_language)

   R is a programming language for statistical computing and data visualization. It has been adopted in the fields of data mining, bioinformatics, and data analysis. [9] The core R language is augmented by a large number of extension packages, containing reusable code, documentation, and sample data. R software is open-source and free software.

5. Apache Hive - Wikipedia

   en.wikipedia.org/wiki/Apache_Hive

   Apache Hive is a data warehouse software project. It is built on top of Apache Hadoop for providing data query and analysis. [3] [4] Hive gives an SQL-like interface to query data stored in various databases and file systems that integrate with Hadoop.

6. Apache Spark - Wikipedia

   en.wikipedia.org/wiki/Apache_Spark

   Spark Core is the foundation of the overall project. It provides distributed task dispatching, scheduling, and basic I/O functionalities, exposed through an application programming interface (for Java, Python, Scala, .NET [16] and R) centered on the RDD abstraction (the Java API is available for other JVM languages, but is also usable for some other non-JVM languages that can connect to the ...

7. Data modeling - Wikipedia

   en.wikipedia.org/wiki/Data_modeling

   Data modeling in software engineering is the process of creating a data model for an information system by applying certain formal techniques.