Video is another popular data type. One of our clients in the financial market is storing television and online video broadcasts in a keyworded database, so that users who missed the broadcasts due to time differences can download and watch them at their own convenience. Access relational data through the object database Click here. The most widely known abstract data types are spatial. Special operations such as distance calculations, containment and overlap are performed on these data types.
Time series are very popular in financial and business intelligence systems.
Decision-makers store trends and tendencies, which they analyze by applying special statistical algorithms and financial models. More obscure abstract data types are used in specialized subject areas. Closer to home, we store application components and database objects in the database. I'm not only referring to executable object components, or database metadata, but to rich data such as database designs, business rules, and stored procedures written in Java. They may even say that the logic belongs in the applications.