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Evaluate, compare and contrast the two methods of relational database design namely top down method and Bottom up method. What will be your choice if you are asked to select a method? Justify your choice.
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
What is bucket overflow and how bucket overflow is handled through Over Flow Chaining or Closed Hashing? Ans: Bucket: unit of storage holding records. Bucket is a disk block
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Multi-Key File Organisation In this part, we will introduce two basic file Organisation schemes that permit records to be accessed by more than one key field, therefore, allowi
What benefits can a company gain by managing its own information infrastructure and servicea
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
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