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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.
Explain and differentiate the record and parent child relationship concepts in the hierarchical model?
Explain and differentiate the two fundamental structures of network data model?
Illustrate the main software modules of a DDBMS? Describe the main functions of each of these modules in the context of client-server architecture.
What do you understand by the term UNDO-type and REDO-type log entries? Illustrate out the write-ahead logging protocol.
Why do practical recovery techniques use protocols which don’t permit cascading rollback? Which recovery methods don’t need any rollback?
Describe the given rules governing the manipulation of the relational algebraic expressions?