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Explain briefly concurrent task by taking an example.
Concurrent Task- The concurrent occurrence of more than one event is called concurrent task. Operating systems can handle concurrent tasks capably. The Air Traffic Control system (ATC) for examples, can manage simultaneous tasks in fractions of a second.
Problem: (a) Given the following relation: Stats(Name,Sex,Children, Occupation, Salary, Tax, Audits) Write SQL code to define the following security constraints: (i) User
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
I need a professional to prepare a database to collect and store basic information. The information can be basic info such as contact details etc. One requirement i have is f
Question: (a) What are decision support systems, and what role do they play in the business environment? (b) Data mining is a knowledge discovery process of automated extr
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
Synonyms and Indexes Some of the essential properties of indexes are: An Index is a schema Object Indexes can be formed explicitly or automatically Indexes are m
What is Secondary Index While making the index, generally the index table is kept in the primary memory (RAM) and the main table, because of its size is keeps in the secondary
Explain Data Sublangauges ? Data sublanguage: In relational database theory, the term sublanguage, first used for this purpose through E. F. Codd in the year of 1970, refers t
Which component is not included in database environment ? A users component is not included in database environment.
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