Domain Specific Data Model

A physical data model describes the database specific implementation of the data model.

Domain specific data model. For example all attributes that represent financial values use the currency amount domain that has a base data type of decimal 14. Relation data model relational data model is the primary data model which is used widely around the world for data storage and processing. Logical data model defines the structure of the data elements and set the relationships between them. The following steps explain how a user in the system administrator or electronic reporting developer role can create a new electronic reporting er configuration that contains a data model for electronic payment documents.

A domain specific language dsl is a computer language specialized to a particular application domain this is in contrast to a general purpose language gpl which is broadly applicable across domains. Domain specific modeling languages tend to support higher level abstractions than general purpose modeling languages so they require less effort and fewer low. Throughout the history of software development developers have always sought to improve productivity by improving abstraction. For example age can only be a positive integer.

5 minutes to read. Enabling full code generation the authors look at the differences between code driven techniques such as dsm and more traditional model driven techniques. There are a wide variety of dsls ranging from widely used languages for common domains such as html for web pages down to languages used by only one or a few pieces of software such as. The atomic warehouse model awm for example uses data domains to ensure a consistent approach in the use of data types for attributes that have a similar purpose in the logical model.

In part 1 in a series excerpted from their book domain specific modeling. Er design domain specific data model. Attributes have specific values in real world scenario. The main goal of a designing data model is to make certain that data objects offered by the functional team are represented accurately.

If not what are suggestions to embed domain specific data for classification since similar data may not be readily available.