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Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
complete assignment on the above title.
Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
Express the properties of Strings? Strings can be case sensitive (or not) which can change the outcome of string operations. You can evaluate whole strings \ just part
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Explain the Management of Data Store Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects
various techniques of hashing?
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