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to develop elrctronic database from manual forms
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
Have database built but having problems with some questions that go with the database
For every multivalued attribute 'A', we make a new relation R that contains an attribute corresponding to plus the primary key attribute k of the relation that shows the entity typ
what is Mapping Constraints? with examples
Need a sample of a clinic database relationships
Views in relational algebra: 1. Basic expression contains either a) A relation in the database. b) A constant relation. 2. General expressions are madde out of sma
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