Define a foreign key and describe the use of foreign keys

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Reference no: EM133218517

Logical Database Structure

The following Discussion topics relate to your readings in Unit 2 and experiences you may have had in the area of database normalization and the implementation of foreign keys. To successfully complete the Discussion assignment, you must respond to one of the question sets listed below with an initial Discussion post no later than the fourth day of the Unit 2 week and then substantively reply to at least two other student postings on different days before the end of the Unit 2 week. See the Discussion rubric for questions on requirements.

Option 1: Normalized Data

What characterizes un-normalized data? Why is un-normalized data a problem? How do you know when the database is fully normalized?

Option 2: What is a Foreign Key?

Define a foreign key and describe the use of foreign keys. What data problem does a foreign key solve? What problems do foreign keys introduce?

Reference no: EM133218517

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