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Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Explain the Management of Data Store Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects
Suppose that in an organisation, an employee may do different roles in dissimilar projects. Say, RAM is doing coding in one project and doing designing in another. Suppose that the
what is cascading? what is rollback cascading? please explain in detail
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
discuss the array implementation of a stack.
Database Manager It is the interface among low-level data, queries and application programs. Databases typically need a large amount of storage space. It is kept on disks, as
Consider entity type Employee with attributes empNumber (this is unique), empName, and the year when he/she was hired. An employee can either be a technical employee, a marketing e
what is relationship inheritance and attribute inheritance
How to create a biological database based on viruses. How to decide which attribute should be there in the table and schema? How to identify the primary keys, foreign keys, domain,
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