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Modular growth:In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat free. This flexibility permits an organisation to expand gradually. Adding storage power and processing to the network can generally result in better handling of ever enhancing database size. A more powerful system in compare, a centralised DBMS, would need changes in both the software and hardware with increasing size and more powerful DBMS to be procured.
how to implement hyrise in C plus plus
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
Performance of Various Concurrency Control Mechanisms
Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
How does a query tree represent a relational algebra expression? Discuss any three rules for query optimisation, giving example as to when should each rule be applied. Ans
What is Log Shipping? Log shipping is the method of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a stand
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