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Question : (a) Explain with the help of appropriate examples the difference between ‘Data' and ‘Information'. (b) A digital image is an array of pixels, where each pixel h
i want to database for online assignment submission system
define locking in simple language and decribed it
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Question (a) Concurrent access to data from a database is a normal part of application program usage. Describe three approaches to concurrency control (b) Distinguish among
What is a dataset? A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Dataset
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