a complex data type that contains one or more members called elements

a complex type made up of one or more elements

a group of elements of the same data type

a group of values of a single data type in a column

A complex data type that groups values, called elements, of a single data type in a column. Collection data types consist of the SET, MULTISET, or LIST type constructor and an element type, which can be any data type, including a complex data type.