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give me a diagram about physical or internal level
Which is the properties of entities? Attributes is the properties of entities.
Prepare a data flow diagram for computing the volume and surface area of a cylinder. Inputs are the height and radius of the cylinder. Outputs are the volume and surface area of th
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
Explain the disadvantages of a file processing system? Ans: Disadvantages of File Processing Systems include: 1) Data Redundancy 2) Data Inconsistency 3) Difficult to acce
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
how to submit answers softcopy
Define Cascading rollback The phenomenon where a single transaction failure leads to a series of transaction rollbacks is known as Cascading rollback.
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
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