Working with structured types
In an object-oriented design, we have business objects as entities and each entity has a set of attributes. A structured type is a user-defined special data type, consisting of one or more data types. To represent an entity in DB2, we can use structured types.
A structured type is a user-defined data type consisting of one or more data types defined as its attributes. For example, in a school, a room can be one entity and its attributes can be length, width, and height. In this example, we can create a structured type as room
and define its attributes as width, height
, and length
. Once we have created a structured type, we can use it as a regular built-in data type. DB2 also provides ways to define its behavior. In ...
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