Draw an E-R diagram for the following situation:
A laboratory has several chemists who w...
Computers and Technology, 20.02.2020 03:29 alishbaqadeer1
Draw an E-R diagram for the following situation:
A laboratory has several chemists who work on one or more projects. A project may involve one to many chemists. Chemists may also use certain kinds of equipment on each project. Attributes of CHEMIST include Employee_ID (identifier), Name, and Phone_no. Attributes of PROJECT include Project_ID (identifier) and Start_Date. Attributes of EQUIPMENT include Serial_no. and Cost. The organization wants to record Assign_Date – that is, the date when a chemist is assigned to a specified project.
Answers: 2
Computers and Technology, 22.06.2019 01:30
What “old fashioned” features of checking accounts is p2p replacing
Answers: 3
Computers and Technology, 22.06.2019 22:00
What is a distinguishing feature of today’s graphic application software?) graphic applications are used today on a variety of devices, including touch-screen kiosks and mobile phones.
Answers: 3
Computers and Technology, 23.06.2019 04:40
The narrative structure of the popular movies can be broken down into
Answers: 3
Computers and Technology, 23.06.2019 09:30
The place where the extended axis of the earth would touch the celestial sphere is called the celestial
Answers: 1
Social Studies, 25.08.2019 20:10
Mathematics, 25.08.2019 20:10
English, 25.08.2019 20:10
History, 25.08.2019 20:10
Mathematics, 25.08.2019 20:10
Biology, 25.08.2019 20:10
Mathematics, 25.08.2019 20:10
Mathematics, 25.08.2019 20:10
SAT, 25.08.2019 20:10
English, 25.08.2019 20:10
Computers and Technology, 25.08.2019 20:10
Mathematics, 25.08.2019 20:10
Mathematics, 25.08.2019 20:10