Open shuijian-xu opened 5 years ago
The physical data model consisted of the data definition language (DDL) statements that were needed to actually build, in a relational environment, the tables, indexes, and constraints. This is sometimes referred to as the implementation model.
The physical data model consisted of the data definition language (DDL) statements that were needed to actually build, in a relational environment, the tables, indexes, and constraints. This is sometimes referred to as the implementation model.