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What is meant by data-transfer rate?
The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
In how many parts events are classified Events are classified as four types in UML 1. Signals 2. Calls 3. Passing of Time 4. Change in State
What is OOM? Object oriented modeling is an approach by which modeling of systems is done by visualizing the system based on real world concepts. Object oriented modeling does
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
What are the function of DBA?
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explain participation constraints with examples
What are the purpose for having variable length records? What kinds of separator characters are required for each? Variable-Length Records - Variable-length records are thos
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
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