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PRINCIPLES OF DATABASE
1. State the following terms:a) Database b) Database Management System c) Entity d) Attribute e) Relationship
2. Discuss the Three Level Architecture of DBMS.
3. Write short note on:a) Relational Data Model b) Hierarchical Model
4. Explain characteristics of different types of storage devices.
5. Describe file organization. Discuss several possible ways of organizing records in files.
6. What is second normal form and third normal form.
What is Candidate Key Super Key or Candidate Key: It is such an attribute of a table that can uniquely recognize a row in a table. Generally they have unique values and can n
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
State about the Activity Diagram Activity diagrams show flow from one activity to other. It is an ongoing non atomic execution within a state machine. Activity finally results
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how many types of data model in DBMS? explain data abstraction with its different level
Evaluate, compare and contrast the two methods of relational database design namely top down method and Bottom up method. What will be your choice if you are asked to select a meth
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Draw an E_R Model for the following: An organization uses number of items of a equipment to generates goods. Each item is at one LOCATION, of one TYPE and has a DETAILED_DISCRI
The issues relating to the Design of the Physical Database Files Physical File is a file as stored on the disk. The major issues relating to physical files are: • Cons
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