Which of the following statements is true concerning subqueries?

Related MCQs

• The                  keyword is used to access attributes of preceding tables or subqueries in the from clause.
• Subqueries cannot:
• Any recursive view must be defined as the union of two subqueries: a                query that is nonrecursive and a                      query.
• Which of the following statements is true concerning routines and triggers?
• Which of the following is true concerning triggers?
• Which of the following is true concerning a procedure?
• Which of the following statements is/are not true for SQL profiler?
•                  dump, writes out SQL DDL statements and SQL insert statements to a file, which can then be reexecuted to re- create the database.
• Which of the following statements contains an error?
• Which one of the following statements about normal forms is FALSE?