A Boolean data type that can take values true, false, and                 

Related MCQs

• 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            
• Which of the syntax is correct for insert statement? i) insert into <table_name> values <list of values> ii) insert into <table_name> (column list) values <list of values>
• Which of the following specifies a boolean expression that must be true for the trigger to fire?
• Bitmaps can be combined with regular B+- tree indices for relations where a few attribute values are extremely common, and other values also occur, but much less frequently.
• Let us consider phone_number ,which can take single or several values . Treating phone_numberas an                    permits instructors to have several phone numbers (including zero) associated with them.
• Let us consider phone_number ,which can take single or several values . Treating phone_numberasan _________ permits instructors to have several phone numbers (including zero) associated with them.
• HTTP defines two ways in which values entered by a user at the browser can be sent to the Web server. The            method encodes the values as part of the URL.
• A                                        is an explicit numeric, character, string or Boolean value not represented by an identifier.
• You have a column that will only contain values from 0 to 256. What is the most economical data type to use for the column?
• ……………….. contains information that defines valid values that are stored in a column or data type.