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An orchestra database consists of the following relations: CONDUCTS (conductor, composition) REQUIRES (composition, Instrument) PLAYS (Player, Instrument) Give the relational
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
define normalisation and functional dependency
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
What are views? Explain how views are different from tables? A view in SQL terminology is a one table in which is derived from other tables. These other tables could be base t
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
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