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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
What is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure? How many levels of SP nesting is possible? Recursion is method of proble
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
wh
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Write short notes on tuple relational calculus. The tuple relational calculation is anon procedural query language. It defines the desired information without giving a particul
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
About Attribute inheritance
You will be analysing a set of financial data of your choice. It is not necessary to collect any primary data of your own, and publicly available secondary data will be sufficient
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
Which component is not included in database environment ? A users component is not included in database environment.
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