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Define a property that is not a property of transactions?
Ans: Concurrency is not a property of transactions
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
what is attribute is attribute inheritance in dbms?
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
For Colorado customers calculate the number of single products ordered. If a product is purchased on multiple orders, it should be counted only single time. The result should conta
what is un ordered and ordered file managment?
In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.
how oracle can be used
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
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