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In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
what are the states of transaction?
write a database program for concurrency transaction in a bank
Physical Records These are the records that are stored in the secondary storage devices. For the database relation, physical records are the group of fields kept in adjacent me
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
Differentiate between Key and superkey? Key and superkey - A key a single attribute or a combination of two or more attributes of an entity set in which is used to identify o
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
How do I use strap on?#
Explain the cartesian product in Database Management System
what do you mean by primary key constraint?
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