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What is vertical fragmentation?
Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
why shadow copy technique is used?
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
why three level architecture had been developed/
Briefly explain each of the following database terms. Use no more than 2-3 lines for each term. 1. DBMS 2. Update Anomaly 3. Alias (referring to tables in SQL queries)
er diagtram for icici
In an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
Adding Redundant Associations for Efficient Access The expression redundant association means using "duplicate association for proficient access". While analysis, it is not a
4. Describe three ways to handle missing field values
#A multinational tour operator agency has gained new business growth in the North American market through the use of social media. Its operation has expanded by 50% within six mont
is Chipo carrying his baby
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