which modeling is suitable for database design and data coroperate data model subject database logical data models physical data models enterprise modeling entity modeling object modeling behaviour modeling code example

Example: What is a Conceptual Data Model?

# What is conceptual data model to me?

There are many good definition of this term. 
In layman's term, it's the big picture of a Business's data 
domain and processes that occur in it. During the design 
phase of an application or a database, a team creates conceptual, 
logical and physical data model. Some teams combine conceptual 
and logical data model effort while others do only the 
physical data model. Here is a basic example of the 
conceptual data model. 

+-------------+                +-------------+
| Customers   |--------------> |   Address   |
+-------------+                +-------------+
      |
      |
     \|/
+-------------+                +-------------+
|   Orders    |<-------------- |   Products  |
+-------------+                +-------------+