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What is meant by object identifiers?
Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single identifier, and no two objects have the similar identifier.
external view of DBMS in healthcare department?
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Define the concept of Object Diagram An object diagram shows a set of the objects and their relationships with each other at a point of time. In a static view, object diagram
what is lossless & dependency preserving decomposition ?
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Question: a) What is Client/Server and what benefits can be expected from Client/Server systems? b) Explain what middleware is and what it does. Why would MIS managers be p
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