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Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.
what do you mean by primary key constraint?
give some example real-life situations where DBMS are most suiitabe
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
ERD Diagram of Medical Recruitment Agency?
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
What is self-transition? If there is a transition which goes back to same state, it is known as "self- transition." With a trigger action exit action would be executed f
What are the Objectives of object design After going through this unit, you could be able to: explain steps of object design; discuss algorithms that reduce costs;
Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
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