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Scenario: You are a freelance database designer who has just been contacted by a small software development company named Altair Software. The president of the company has asked
Competition entrants can be either Individuals, or Teams. A Team is usually sponsored by a business, and, in that case, the team members would all wear T-shirts with the sponsoring
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t
Consider a relation s over the attributes A and B with the following characteristics: 5,000 tuples with 10 tuples per page A 2-level B+ tree index on attribute
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
what is completeness constrent?
#question benefits and limitations of data models..
Explain natural join? Natural Join - Similar as equi-join except in which the join attributes (having similar names) are not involved in the resulting relation. Only one sets
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
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