Development of modern database systems
Write brief note on E.F. Codd, and why is he noteworthy in the development of modern database systems?
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While working at IBM, E.F. Codd formed the relational database model. A paper he published in the year 1970 presented his ideas to the world. His work is the foundation for most of the DBMSs presently in use, and therefore forms the basis for database systems as we know and employ them today.
Describe the difference between a regular sub query and a correlated sub query?
Write a short note on the difference between embedded and dynamic SQL?
Explain the Expression transformation?
Why is the multi value or multicolumn problem any other type of the multivalued dependency problem?
Illustrates the case statement present into stored procedure?
Give a brief introduction of the term real time data-warehousing?
How do I take a known dollar (totalcost) such as $240.00, back out the sales taxes from the known values using the States (VA and WV) sales tax, showing the difference so that I can print an invoice, with the fields Customer name, address, city, state Subtotal, sales tax and totalcost $240.00. All
Describe in brief regarding the features of the Sybase IQ?
Illustrate briefly the term SQL sub query?
What is Redundant Array of Inexpensive Disks controller technology?
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