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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
Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
what are the limitations of dbms?
what is the need of a log in dbms
Which method is used to key transformation ? A hash method is used to key transformation.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
what is definition hierarchical data model
Consider the subsequent relations along with keys underlined Street (name, location, city) House (number, street_name) Lives (name, house_number) Define the above relations
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