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What are the two types of blocks in the fixed -length representation? Define them. Anchor block: Have the first record of a chain. Overflow block: Have the records other tha
What exactly is the concept of Functional Dependencies? And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc? Given Relation R(A,B,C,D,E) with de
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
Explain the Relational Completeness Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus ex
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
Explain the Strategy of Database Planning ?
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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