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assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
What is theta join explain? Theta Join - The theta join operation is an extension to the natural-join operation which permits us to merge selection and a Cartesian
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
what is the need of a log in dbms
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
How to Insert data in your table from another table? insert into e.g, To insert tuples from employee into N_emp created above, use following statement Insert into N_emp
how map binary relation one to one
Which is the properties of entities? Attributes is the properties of entities.
Why is need for the multiple access paths?
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