⟩ Which one of the following is the right syntax for DECODE ? a) DECODE (search, expression, result [, search, result]… [, default]) b) DECODE (expression, result [, search, result]… [, default], search) c) DECODE (search, result [, search, result]… [, default], expression) d) DECODE (expression, search, result [, search, result]… [, default])