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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Serialisable Schedules: If the processes of two transactions conflict with each other, how to verify that no concurrency related problems have happened? For this, serialisability t
Problem : (b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and
Explain the concept of a data model ? Data Model - Model is an abstraction procedure which hides irrelevant details although highlighting details relevant to the application
what does glory be mean
Give the reasons for allowing concurrency? The reasons for allowing concurrency is if the transactions run serially, a short transaction might have to wait for a preceding long
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Discuss the problem of Spurious tuples and how we may prevent it. Ans: A spurious tuple is, mainly, a record in a database that gets created while two tables are joined bad
Give some encryption techniques? A) DES B) AES C) Public key encryption
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
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