Identify the basic operations of relational algebra. What are they used for?
Answer to relevant QuestionsWhat is normalization? Distinguish between first, second, and third normal forms.Discuss some of the differences between the traditional approach to data processing and the database approach.Consider an open purchase order file in a manufacturing company. Identify several other files to which the purchase order file might be linked (chained) through the use of pointer fields.Consider the following relation in first normal form:ORDER (ORDER#, VENDOR#, PART#, DESCRIPTION, QUANTITY, PRICE, TOTAL_ AMOUNT) the underlining indicates a combination key that consists of the concatenated fields ORDER#, ...COBIT identifies 34 IT processes and a high- level approach to control over these processes. The following is the process description of PO10 “Manage Projects.”A program and project management framework for the ...
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