Week 2 Discussion 1
“Maintaining Data Integrity” Please respond to the following:
•Describe the importance of maintaining integrity rules throughout the database structure. Create at least three examples of common relationships that are used within a relational database system. Justify your response.
•Many times, database designs do not include the proper use of indexes. Provide a specific example on how an index could be used in order to enhance user search experience. List specific fields that you would index. Analyze what would occur if the proper index is not included, with respect to your example.
Week 3 Discussion 1
“The Entity Relationship Model” Please respond to the following:
•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.
•Using the classifications from part one of this discussion; provide a real word scenario that demonstrates each relationship strength classification.
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.
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