The Concept Of

- Dec 12, 2015 -

A physical data model (Physical Data Model) PDM, provides the foundation needed for the initial design of the system elements, as well as the relationships between related elements. To store more high level description of the structure and access mechanism, describes how the data is stored in a computer, how to structure, expression records record order and access paths and other information. Using a physical data model, you can layer in the system database. Database physical design stage must be based on a detailed background designs, including stored procedures, database operations, triggers, views, and indexes, tables etc; by 2013, without too much of a physical data model, the most common physical data model are as follows:

Unified model.

Framework for the storage model.

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