Why informational and operational systems are separate
Illustrate why informational and operational systems are separate?
Expert
Operational systems are employed to run the business in real time on an every day basis and contain present data. Non-analysts and non-managers work in this kind of system. Operational systems should process large volumes of data. Informational systems are employed to support decisions and contain historical data. Analysts and Managers work in this kind of system. Informational systems have periodic setup updates.
Briefly explain continuous and discrete data in data mining?
Explain the linked universes?
Describe the difference between complexType elements and simple elements?
Write about the independent and dependent data marts.
Give a brief introduction of the term analysis service?
Explain what is Designer?
Explain the term Enterprise and Workgroup modes?
Briefly explains the three kinds of SQL commands?
Describe a surrogate key and also explain the ideal primary key and illustrate how surrogate keys meet up this ideal?
Explain the term Repository Tables within the Data Stage?
18,76,764
1959730 Asked
3,689
Active Tutors
1459580
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!