Question: A nested query is a query within a query. More specifically, a nested query is a parenthesized query whose result can be used as a

A nested query is a query within a query. More specifically, a nested query is
a parenthesized query whose result can be used as a value in a number of
places, such as instead of a relation. Specify the following queries on the
database specified in Figure 5.5 using the concept of nested queries and the
relational operators discussed in this chapter. Also show the result of each
query as it would apply to the database state in Figure 5.6.

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