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List the requirements needed to design a trigger.
The requirements are:-
Specifying when a trigger is to be implemented.
State the actions to be taken when the trigger implements.
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
why data in an RDMS need to be normalised
what is cascading? what is rollback cascading? please explain in detail
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Project Description: Oracle Certified Professional with 20 years of practice, Oracle version 6.0.34, 7.3, 8.0, 8i, 9i, 10G, 11G, 12C. Crossplatform migration, Informix, MSSql
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