#mapping constraints, Database Management System

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explain the mapping constraints

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What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.

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You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR managem

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Explain Recursive relationship type? Recursive relationship type: A recursive relationship is one in that the similar entity participates more than once in the relationship

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