What does a software developer do? - answer Develop applications
Skill software developer needs to have - answer Understanding preprogramming
languages and databases
What does a data analyst do? - answer Look at data to find meaning to solve real
business problems
Skill data analysts need to have - answerAnalytical skills
What does a database administrator do? - answer Architecting how data is shared
What does a quality assurance analyst do? - answer Finding problems within the
applications, testing the applications to find problems - what the system is supposed to
accomplish
What does a business analyst do? - answer Understanding what the business is trying
to accomplish, the processes, the stakeholders, the goals, and the current system
What does a project manager do? - answer Managing people, keeping track of
schedules, communicating risks
Big data - answerMassive amounts of data
How to classify as big data - answer5 Vs: Volume, Velocity, Variety, Veracity, and Value
Velocity - answerBig data is generated at a very high speed
Various data types - answerStructured, semi-structured, unstructured data
Example of structured data - answerExcel records
Example of semi-structured data - answerLog files
Example of unstructured data - answerX-ray images
Veracity - answerAccuracy and trustworthiness of the data
Value - answerThe benefit from analyzing the data
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