Question 1:
Write down differentiation between record and file.
Question 2:
Sketch the hierarchy of data.
Question 3:
Write down the differentiation between centralized system and decentralized system.
Question 4:
Provide one merit and one drawback of centralized system.
Question 5:
Provide one benefit and one drawback of decentralized system.
Question 6:
What do you understand by the term distributed system?
Question 7:
Provide one benefit and one drawback of distributed system.
Question 8:
What is the distinction between a data definition language (DDL) and a data manipulation language (DML)?