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Extract Transform Load (ETL) in 10 steps

1. Extract - Any process developed to extract data from a storage system. Can be mainframe, relational database, dimensional database and/or file. Extraction processes can be implemented using commercial programming languages, unix scripting and even Excel.
2. Transform - Any process developed to transform and adopt extracted data into a target load environment. Transformation rules can include data type conversions, business rules conversions, storage type conversions. Transformation processes can be implemented using commercial programming languages, unix scripting and even Excel.

Object Oriented Programming in 10 Steps

1. Person, car, animal, space ship, customer, account, computer, plane, student, program, vacation, book, TV...these are all objects. In object oriented programming languages, you can describe these objects using syntax (grammar) of a language.
2. Object Oriented (OO) languages have advantage over procedural languages in the area of code decouplment, maintenance and enhancements, assuming people responsible for developing systems using Object Oriented languages, do understands 3 foundation principals of Object Oriented programming.

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