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Write a query that display ename annual salary and comm from emp table
What is object containment? References among objects can be used to model dissimilar real-world concepts.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
why shadow copy technique is used?
Explain entity integrity and referential integrity rules within relational model. Show how these are realized in SQL? Entity Integrity Rule - No primary key value could be nu
why are older data base model are being replaced by new data model
Explain differance between Primary and secondary storage ? Primary and secondary storage Computer storage is classified within primary(main) memory and secondary(per
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.
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