Dependency Diagram Database Example. Machine no data used person id it means that once the values of machine no and data used are known a unique value of person id also can be known. Projectno and empno combined are the pk.
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Projectno and empno combined are the pk. An example can be that if a view queries a table and the name of that table changes. Let us consider a functional dependency that there is one person working on a machine each day which is given as.
Machine no data used person id it means that once the values of machine no and data used are known a unique value of person id also can be known.
The following dependencies are identified in this table. The following dependencies are identified in this table. This tutorial demonstrates how you can use microsoft visio to build a dependency diagram as you work through the process of modelling a database. A short tutorial on creating a dependency diagram using dia.
