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Pick and Shovel Construction Company is a multistate building constructor specializing in medium-priced town homes.
Pick and Shovel Construction Company is a multistate building constructor specializing in medium-priced town homes. C.T. Scott, the owner, is in your office for the third time today to see how the new relational database project is coming along. Unfortunately, someone mentioned to C.T. that the delay had something to do with achieving normalization.
“Why is all this normalization stuff so important?” he asks. “The old system worked OK most of the time, and now you are telling me that we need all these special rules.
2.1 Assume that the Pick and Shovel’s main entities are its customers, employees, projects, and equipment. A customer can hire the company for more than one project, and employees sometimes work on more than one project at a time. Equipment, however, is assigned only to one project. Draw an ERD showing those entities. (6)
2.2 Add cardinality notation to your ERD (4)
2.3 Create 3NF table designs. (5)