Computers and Technology, 05.10.2019 03:10 reaunnatowns
Draw an er diagram for the following situation: a lab has several chemists who work on one or more projects. chemists also may use certain kinds of equipments on each project. o attributes of chemist include employeeid (identifier), name, and phoneno. o attributes of project include projectid (identifier), and startdate. o attributes of equipment include serialno (identifier) and cost. o the organization wishes to record assigndate, the date when a given equipment item was assigned to a particular chemist working on a specified project. o the organization also wishes to record the association between the project and chemist. a chemist must be assigned to at least one project. any number of chemists may work in a project. o a given equipment item need not be assigned, and a given project need not be assigned any equipment item.
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Draw an er diagram for the following situation: a lab has several chemists who work on one or more...
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