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10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the delet
what is attribute is attribute inheritance in dbms?
What are the functions of an accumulator? The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It hol
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
why data in an RDMS need to be normalised
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
i need to submit in this topic.
Problem Explain at least five relational algebraic operators with a suitable example. Note: All the above descriptions should be done by taking at least two examples from ou
Define a relation ? Relation - A relations is a named two-dimensional table of data. Mathematically, a relation can be described as a subset of the cartesian product of a lis
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