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Is DTO business object?
DTO is used to transfer data between layers/tiers. For such purpose it doesn’t need any methos and sometimes it even should not have any methods – for example when DTO is exposed over web service. Business object is clever object which contains data and methods which performs operations (change data) on this object.
What is a business object example?
For example, a “Manager” would be a business object where its attributes can be “Name”, “Second name”, “Age”, “Area”, “Country” and it could hold a 1-n association with its employees (a collection of Employee instances).
What is the purpose of a DTO?
DTOs are called Data Transfer Objects because their whole purpose is to shift data in expensive remote calls. They are part of implementing a coarse grained interface which a remote interface needs for performance.
What is a business object entity?
A business object is an object that has a set of attributes and values, operations, and relationships to other business objects. Business objects contain business data and model the business behaviour. A database object is a self-contained software entity that consists of both data and functions to manipulate data.
What language does business objects use?
Database developers use advanced SQL, like Oracle PL/SQL, to create new database objects, develop indexes, trigger procedures or manipulate the tables to create materialized views that other report writers can use.
When should I create a DTO?
A DTO is helpful whenever you need to group values in ad hoc structures for passing data around. From a pure design perspective, DTOs are a solution really close to perfection. DTOs help to further decouple presentation from the service layer and the domain model.
How do you define a business object?
A business object (BO) is a container for application data, such as a customer or an invoice. Data is exchanged between components by business objects. The underlying structure of a business object is an XML schema definition (XSD).
What is meant by business component?
A business component is a logical representation of one or more tables. Business components provide the foundation for controlling how data is selected, inserted, and updated in underlying tables. Business components can be included in one or more business object definitions.