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OBJECTIVES
After going through this unit you should be capable to:
A student entity type has the following attributes,name..
What are the different strategies of implementation of the Statecharts? There are two strategies for implementation of state charts: i) Basic Implementation Strategy
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Explain weak and strong entity sets? Weak and Strong entity sets: A physically powerful entity set has a primary key. All tuples in the group are distinguishable through that k
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
explain thee diffrent types of data models
What disadvantage of ODBC does OLE DB overcome? By breaking the features and the methods of a DBMS into COM objects, OLE DB characteristic overcomes a main disadvantage of ODBC
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