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Explain the concept of QBE? Query-by-example represents a visual/graphical approach for accessing information in a database by the use of query templates called as skeleton tab
why are older data base model are being replaced by new data model
Explain the main advantages of DBMS over File Oriented System ?
give me a diagram about physical or internal level
1) Information about a bank is about customers and their account. Customer has a name, address which consists of house number, area and city, and one or more phone numbers. Ac
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
What is advantage of two-way association? Two-way association advantages are following: a) Independent of the classes. b) Useful for existing predefined classes that are
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP''s Business Information Warehouse to better understand thei
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