Many  legacy systems require normalization. Identify at least two factors  that should be considered in order to produce an optimal normalized set  of tables when performing normalization
January 15, 2018
Defining  relationships within a database can improve search capabilities and  optimal performance of the database in the long run. Identify at least  two relationship strength types that can be used within the entity  relationship model
January 15, 2018

Preparing an Adequate Data Model

Week 3 Discussion 2

“Preparing an Adequate Data Model” Please respond to the following:

  • Using  specialization hierarchies can provide an efficient application  development structure. Justify the use of surrogate primary keys for a  database design. Provide an example to support your response.
  • Historical  data can be important to measuring performance. Prepare an example on  how time-variant data can be properly captured and maintained within a  database system.

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