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State the Object Design for Processing
The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as internal data structures and algorithms to implement operations, restructuring classes for efficiency, implementation of control, implementation of associations and packaging into the physical modules. Object design extends analysis.
What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Compare the two log-based recovery schemes in terms of ease of implementation and overhead cost. Ans: There are two types of log based recovery techniques: deferred update
Need for Client Server Computing- Client/Server (C/S) architecture includes running the application on multiple machines in which every machine with its component software tackles
Explain the term High level DML? High level DML A high-level or non-procedural DML permit the user to specify what data is needed without specifying how it is to be acquired.
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
Why is need for the multiple access paths?
what are the type of the database
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