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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.
Deadlock Prevention One of the easiest approaches for avoiding a deadlock would be to obtain all the locks at the begin of the transaction. Though, this approach restricts conc
tell me the functionality,advantages and disadvantages of student database
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
Storage Of Database On Hard Disks At this point, it is worthwhile to note the difference among the terms file Organisation and the access method. A file organisation shows to t
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
Consider the relations EMPLOYEE(emp#, name) ASSIGNED_TO(project#, emp#) PROJECT(project#, project_name, chief) Express the subsequent queries in Relational Algebra (i) Ge
what is completeness constrent?
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
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