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A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Define the terms entity, attribute, role and relationship between the entities, giving examples for each of them. Ans: Entity: An entity is a "thing" or "object" in th
Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
What are the two statements regarding transaction? The two statements regarding transaction of the form are:- A) Begin transaction B) End transaction
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
why older data models are being replaced by new data models.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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