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What is relational model feature? A relational model feature is much more data independence than some other database models.
Explain the cartesian product in Database Management System
sy bcs project of hospital managment system
Which element in the database can modified by changing the data dictionary? Data elements in the database can be changed or modified through changing the data dictionary.
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
(a) Why did SAP introduce the extended star schema?
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
MOSS VALE is a town with 15000 inhabitants. The fire department wishes to develop a system that automates the despatch of fire engines to attend fires. The ERD below describes the
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