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State the Steps of Object Design
Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to other level of design.
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
What are wait-for-graphs?Give the algorithm to construct a wait-for-graph from a given schedule of transactions? How can deadlocks be detected from wait-for-graphs? Ans: The
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
why three level architecture had been developed/
In how many parts events are classified Events are classified as four types in UML 1. Signals 2. Calls 3. Passing of Time 4. Change in State
Designing the fields in the data base The following are the considerations one has to remain in mind while designing the fields in the data base. Coding, compression, en
Chapter 10a review questions
I need to Map an E-R diagram to a relational schema
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
WHAT IS DATABASE TECHNOLOGIES
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