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Whst is logical schema ?
Logical schema is the entire database.
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
Problem 1. Describe the Oracle Architecture with a neat labeled diagram, Also explain the individual components of the Architecture. 2. Write about the following Oracle 9i o
Implementing software control To implement software control designer must redesign strategy of state event model which is present in dynamic model. There are three basic ap
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
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
Question 1 Discuss on transmission impairments Question 2 What is framing? Question 3 Write a note on 10Base2 10Base- T Question 4 Explain the rev
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
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