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Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
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
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
Explain the challenges before an E-business management.
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
external and internal mapping with examples
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
exercise solution
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
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