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What is the difference among a database schema and a database state?
The collection of information stored in database at particular moment in time is known as database state although the whole design of database is known as database schema.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Which model is record based logical model? Network Modelis basically known as record based logical model.
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
what are the purposes of dbms in details
Using the concepts defined previous, we have identified that strong entities in COLLEGE database are FACULTY, STUDENT, COURSE and DEPARTMENT. This database also has one weak entity
One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio
Niles Video Inc. wants to create a website for online sales of movies (DVD and videotapes). People will be allowed to register as customers on the website and to update their store
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
The C_Artist application will be developed using the C language (C99 standards) and will be able to compile without warnings and link and run in the Swinburne computer laboratorie
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