The EXISTS keyword will be true if:

Related MCQs

• The NOT EXISTS keyword will be true if:
• The                  keyword is used to access attributes of preceding tables or subqueries in the from clause.
• In the above DDL command the foreign key entries are got by using the keyword
• Which SQL keyword is used to retrieve a maximum value?
• Which SQL keyword is used to sort the result-set?
• The SQL keyword(s) ________ is used with wildcards.
• If an index is                                    the metadata and statistics continue to exists
• A system is in a              state if there exists a set of transactions such that every transaction in the set is waiting for another transaction in the set.
• A deadlock exists in the system if and only if the wait-for graph contains a                        
• Which mapping exists between the conceptual and internal levels: