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Objectives
After reading this unit you should be able to:
Consider entity type Employee with attributes empNumber (this is unique), empName, and the year when he/she was hired. An employee can either be a technical employee, a marketing e
Ask q“A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded wher
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
Benefits of Sequential File Organisation It is quick and efficient when dealing with huge volumes of data that require being processed periodically (batch system). Dra
Inconsistent Analysis : The problem as given with transactions T1 and T2 where two transactions interleave to make incorrect result during an analysis by Audit is the instance of s
milestone assignment
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Complexity : A distributed DBMS that is available, reliable, and secure is inherently more difficult than a centralised DBMS. Though, adequate data replication is essential to have
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
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