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.

Related MCQs

• 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.
• If the attribute phone number is included in the relation all the values need not be entered into the phone number column. This type of entry is given as
• 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>
• An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
• A Boolean data type that can take values true, false, and                 
• 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.
• Which collection types is also known as index-by tables, lets you look up elements Using arbitrary numbers and strings for subscript values?
• 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.
• Consider a hash table of size seven, with starting index zero, and a hash function (3x + 4)mod7. Assuming the hash table is initially empty, which of the following is the contents of the table when the sequence 1, 3, 8, 10 is inserted into the table using closed hashing? Note that ‘_’ denotes an empty location in the table.
• Which of the following consists of a row of column headings, together with zero or more rows of data values?