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Describe time complexity of an algorithm. Describe space complexity of the algorithm.
What are the advantages of normalized ER-Model? What are the various kinds of data constraints?
Demonstrate an equi Join operation with suitable example.
Illustrate out e-commerce architecture and then concisely illustrate each one of its components.
Use following business rules to make the E-R diagram. You must clearly show all the minimum and maximum cardinality constraint on each side of relationship.
By using the data above, normalise the relation to Third Normal Form. Show any intermediate relations and explain each step in the normalisation process. Underline the keys in each relation.
Consultants at Northern General Hospital have intended the following E-R diagram to explain the hospital’s conceptual data model.
Illustrate out the term Class and Object which is employed in the Object Oriented concept. Discuss and illustrate three (3) strengths of ODBMSs.
Discuss and illustrate the data access protocol based upon the compatibility matrix.
The term parallelism is employed extensively to describe different parallel computer systems, and sometimes employed interchangeably by some authors with term concurrency. Illustrate the three (3) f
Recognize the functional dependencies represented by data in table. Illustrate any assumptions you make about data.
Map the following E-R model in the relational schema, concisely outlining the procedure and clearly showing the relation names, primary keys, attributes and foreign keys.
Discuss and describe the two (2) critical factors which can influence success with application of data mining technology.
Illustrate out the main objectives of parallel database system. In specific, discuss two (2) kinds of parallelism typically found in relational database system. Use diagram to demonstrate your discu
Illustrate the main advantages of the object-oriented database systems (OODBMS) which, in your estimation, have contributed to OODBMSs’ popularity in current years. Your discussion must compri
Explain the advantages of a query language. Write down the characteristics of SQL.
What do you mean by relational data integrity? How do you filter records in SQL?
Apart from computer viruses, briefly illustrate out two (2) other security problems which emanate from the Internet.
Your Library is presently offering access to the Internet for its subscribers on fee paying basis. Subscribers should make a booking for each slot of 1 hour in advanced and log book is employed for
There are different data mining methods dealing with diverse types of problems. Give illustration of any three methods which could be used in the supermarket.
Illustrate out the following terminologies with regard to Distributed Database.
Illustrate out three (3) problems associated with implementation of data warehouse.
Illustrate out the data access protocol based upon the compatibility matrix.
Write down the data anomalies in 1NF and 3NF. Write down the advantages of normalized ER-Model.