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Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
what is physical data structure
Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.
What is the function of a Domain? A domain defines the technical settings of a table field. A domain describes a value range, which sets the permissible data values for the
To do the division operation R1 ÷ R2, R2 should be a correct subset of R1. In the following example R1 have attributes A and B and R2 have only attribute B so R2 is a correct subse
Database systems have many opposite efforts ?
Why is database design important?
object oriented database
write an SQL statement to create the database in MYSQL server
The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat
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