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ADVANCE OBJECT DESIGN
Introduction
Analysis is the initial step of the OMT methodology. It is apprehensive with devising a precise, concise, correct and understandable model of real world.
Such as, before building any complex thing, for example a bridge, a house, or a hardware-software system the builder must understand requirement of user, and it is also important to know the real world environment in that it will exist
Describe log based recovery The most usably structure for recording data base modification is the LOG the log is a sequence of log records recording all the update activities i
Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen
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How to create a biological database based on viruses. How to decide which attribute should be there in the table and schema? How to identify the primary keys, foreign keys, domain,
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
what is RDBMS? how it works? good example.
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
Database Management Systems 1. Explain SQL Server 2000 Architecture with diagram. 2. Describe Second Normal and Third Normal Form. 3. Explain about query engine and stora
Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
Question: (a) Can a set of data requirements be correctly modelled by two or more different ER diagrams? Explain your answer. You may use a small example, if you think it will
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