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Write short notes on tuple relational calculus.
The tuple relational calculation is anon procedural query language. It defines the desired information without giving a particular procedure for obtaining that information.
what is union compatable?
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
i would like to ask if you will do assignment of database number of words 1500 and how much
how to operate database in access ?
SET concept is used in which type of modelling? SET concept is used in Network Model.
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Which types of data supported by MySQL for Time and Date formats? MySQL supports a number of time and date column formats: Some of them are 1) DATE 2) DATETIME 3) TIM
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
Problem: A DBMS built for Online Transaction Processing (OLTP) is usually regarded as unsuitable for data warehousing. Each system is designed with a different set of requireme
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