A type of query that is placed within a WHERE or HAVING clause of another query is called

Related MCQs

• A type of query that is placed within a WHERE or HAVING clause of another query is called
• Relational Algebra is a                      query language that takes two relations as input and produces another relation as an output of the query.
• Relational Algebra is a __________ query language that takes two relations as input and produces another relation as an output of the query.
• The              clause allows us to select only those rows in the result relation of the           clause that satisfy a specified predicate.
• The                  clause is used to list the attributes desired in the result of a query.
• Any recursive view must be defined as the union of two subqueries: a                query that is nonrecursive and a                      query.
• In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?
• The command                                  such tables are available only within the transaction executing the query and are dropped when the transaction finishes.
•            clause is an additional filter that is applied to the result.
• The predicate in a where clause can involve Boolean operations such as and. The result of true and unknown is               false and unknown is            while unknown and unknown is