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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
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
What are called jukebox systems? Jukebox systems have a few drives and numerous disks that can be loaded into single of the drives automatically.
i would like to ask if you will do assignment of database number of words 1500 and how much
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
What are the advantages of DBMS ? 1. Centralized Management and Control - One of the major advantages of using a database system is in which the organization could exert, thr
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
Which database object does not physically exist? A view database object does not physically exist.
how to calculate frequency count of algorithm
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