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In other words, the logical model must be able to produce all known reports, queries, and so on. In addition, the user must be able to enter and manipulate data in ... and retail to four types ...
Therefore, the domain assigned in the logical data model must be mapped to a data type supported by the DBMS. You may need to adjust the data type based on the DBMS you use. For example, what data ...
In the simplest terms, a logical data model is a visual representation of the business rules ... mandatory—zero, one, only one, many. As an example, a CUSTOMER has zero to many ORDERs. Make sure you ...
Teradata, a division of NCR Corporation, has announced the launch of the Teradata Communications Logical Data Model (LDM ... to customers worldwide in the retail, financial, communications ...