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Short Note on mid Square Method of hashing?
Mid square method of hashing: In the method midsquare hashing, the key is squared and the address selected from the center of the squared number. Mid square method * Square K. * Strip predetermined digits from front and rear. * e.g., use thousands and ten thousands places.
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.
Express the properties of Strings? Strings can be case sensitive (or not) which can change the outcome of string operations. You can evaluate whole strings \ just part
Haw does it work one database application
What is multiple relationship ?
Define a view and a trigger. Construct a view for the above relations that have the information about suppliers and the elements they supply. The view holds the S#, SNAME, P# , PNA
Where does view definition stored? A view definition is permanently stored as part of the database.
Explain weak and strong entity type ? Weak and Strong entity type: An entity set which does not have a primary key is referred to as a weak entity set. The existence of a wea
Describe the responsibilities of the DBA and the database designer ? The responsibilities of DBA and database designer are: 1. Planning for the database's future storage needs
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
Use a Set operator to create a list of academics who have written or co-written less than 5 papers and also have greater than 3 interests. List their academic number in the output.
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