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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 meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
Ask question #MinimRead Dennis et al. Chapter 6: Minicase 2. Work through it and answer the questions. See the attached example. SequenceDiagram.png Based on the structural mod
Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
What are the ways in which the variable-length records arise in database systems? Storage of many record types in a file. Record types that permit variable lengths for one o
Develop Database academic assignment Project Description: For a provided set of instructions in a case study design Entity Relationship Diagram. - Entity Relationship Diag
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole
Differentiate between Key and superkey? Key and superkey - A key a single attribute or a combination of two or more attributes of an entity set in which is used to identify o
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
Draw and explain the three level architecture of the database system? A DBMS gives three levels of data is said to follow three-level architecture. The trget of the three-schem
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