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Problem: (a) Briefly explain the ‘Hierarchical Database Model' using appropriate diagram. (b) List and briefly describe five potential benefits of the database approach comp
List some instances of collection types? a) sets b) arrays c) multisets
notes about update opreation
What is SQL, and why is it important? SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programm
Candidate Key: In a relation R, a candidate key for R is a subset of the set of attributes of R, which have the differnt two properties: (1) Uniqueness: N
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
discuss the purpose of the concurrency control?
explain ANSI SPARC architecture
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
How to reduce data redundency
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