Data schema for timesheet application

I have to design a timesheet application.
Th epurpose is to store a worker, a project, an accounting code, a date and
a duration.
How would arrange the tables and their relations to do that?
Message was edited by: Jochem van Dieten

My interpretation was that the OP wanted to build an application like that, not that he had.
Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/
http://training.figleaf.com/

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