A laboratory has several chemists who work on one or more projects. Chemists also may use certain kinds of equip- ment on each project. Attributes of CHEMIST include Em- ployee_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 wishes to record Assign_Date-that is, the date when a given equipment item was assigned to a particular chemist working on a specified project. A chemist must be assigned to at least one project and one equipment item. A given equipment item need not be as- signed, and a given project need not be assigned either a chemist or an equipment item. Provide good definitions for all of the relationships in this situation.

Principles of Information Systems (MindTap Course List)
12th Edition
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter12: Systems Development: Investigation, Analysis, And Design
Section: Chapter Questions
Problem 12SAT: Data modeling is most often accomplished through the use of a(n) __________________. a....
icon
Related questions
Question
Draw ER diagram for the following
upload the diagram ??
A laboratory has several chemists who work on one or
more projects. Chemists also may use certain kinds of equip-
ment on each project. Attributes of CHEMIST include Em-
ployee_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 wishes to record Assign_Date-that is,
the date when a given equipment item was assigned to a
particular chemist working on a specified project. A.
chemist must be assigned to at least one project and one
equipment item. A given equipment item need not be as-
signed, and a given project need not be assigned either a
chemist or an equipment item. Provide good definitions
for all of the relationships in this situation.
Transcribed Image Text:Draw ER diagram for the following upload the diagram ?? A laboratory has several chemists who work on one or more projects. Chemists also may use certain kinds of equip- ment on each project. Attributes of CHEMIST include Em- ployee_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 wishes to record Assign_Date-that is, the date when a given equipment item was assigned to a particular chemist working on a specified project. A. chemist must be assigned to at least one project and one equipment item. A given equipment item need not be as- signed, and a given project need not be assigned either a chemist or an equipment item. Provide good definitions for all of the relationships in this situation.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Fundamentals of Datawarehouse
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Information Systems (MindTap Course…
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781285867168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning