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What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived from one or more tables.
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
Explain in details about Data Sharing
management information system based on functional organisation
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
losers with new information systems
Multiple-mode locks : It offers two locks: exclusive locks and shared locks. But why do we require these two locks? There are a lot of transactions in the database system that neve
employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience
We need help in Booking System for Golf Business Development of a web based booking system which permits clients to book golf lessons with the following features- a) 4 user p
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
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