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Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
what is multivalued dependency
What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple
what is meant semantic query optimization? how does it differ from other query optimization techniques?
i need help for assignment ..
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
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Why do so various organizations use MySQL? Advantages: Open source Highly efficient Offers a high scalability in terms of size and connectivity. Highly prote
Explain cursors in SQL? Cursors in SQL - An object used to store the output of a query for row-through-row processing through the application programs. Cursors are constructs
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