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Chapter 1 - Profile for the Organization You have to select an organization of your choice and assume that you work for that organization. Now you must prepare a brief profile of t
Explain the disadvantages of creating a temporary table? If you have already created a temporary table with a shown name and attempting to create a second one with that nam
Define multivalued dependency and 4NF. Ans: Multivalued Dependency - Assume R be a relation schema and let α ⊆ R and β ⊆ R. The multivalued dependency α →→β holds o
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
Group By clauses • It is used to group database tuples on the basis of definite common attribute value like as employees of a department. WHERE clause still can be used
List some instances of collection types? a) sets b) arrays c) multisets
What benefits can a company gain by managing its own information infrastructure and servicea
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
external and internal mapping with examples
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