A                                        is an explicit numeric, character, string or Boolean value not represented by an identifier.

Related MCQs

• Which character function can be used to return a specified portion of a character string?
• create table apartment(ownerID varchar (5), ownername varchar(25), floor numeric(4,0), primary key (ownerID:)); Choose the correct option regarding the above statement
• The refinement from an initial entity set into successive levels of entity subgroupings represents a                  design process in which distinctions are made explicit.
• If a node is locked in an intention mode, explicit locking is done at a lower level of the tree. This is called
• If a node is locked in                      explicit locking is being done at a lower level of the tree, but with only shared-mode locks.
• If a node is locked in                          then explicit locking is being done at a lower level, with exclusive-mode or shared-mode locks.
• If a node is locked in                              the subtree rooted by that node is locked explicitly in shared mode, and that explicit locking is being done at a lower level with exclusive-mode locks.
• 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            
• A Boolean data type that can take values true, false, and                 
• Which of the following specifies a boolean expression that must be true for the trigger to fire?