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What is meant by normalization of data?
It is a process of examining the given relation schemas based on their Functional Dependencies (FDs) and primary key to achieve the properties
Minimizing redundancy
Minimizing insertion
deletion and
updating anomalies.
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
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
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Given the following set of functional dependencies {cf?bg, g?d, cdg?f, b?de, d?c} defined on R(b,c,d,e,f,g) a.Find a non-redundant cover. b.Find a canonical cover.
What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
Project Description: The work is about founding the best skilled person for the job. I will give you the job description. Skills required are Data Entry, Database Administrat
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
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