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what is cascading? what is rollback cascading? please explain in detail
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
A buyer for a large department store chain must place orders with an athletic shoe manufacturer six months prior to the time the shoes will be sold in the department stores. In par
education.
(a) Explain briefly the three parts of a relational Model. (b) Contrast the following terms with an appropriate example: (i) stored attribute v/s derived attribute (ii) en
What is the difference between the function module and a normal ABAP/4 subroutine? In contrast to normal subroutines function modules have uniquely exact interface. Declaring da
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
how to implement mid square hashing?
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
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