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What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What is known as sequential file organization? In the sequential file organization, the records are kept in sequential order, according to the value of a "search key" of every
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
what benefit can a company gain by managing its own infrasture and services
What Command You Use What Day of the week were you born
Describe the two alternatives for specifying structural constraints on relationship kinds? Relationship kinds have certain constraints in which limit the possible combination o
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
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