Describe two disadvantages of surrogate keys

Assignment Help Basic Computer Science

Reference no: EM131219891

a. When should you use a surrogate key?

b. Describe two disadvantages of surrogate keys.

c. What is the difference between an alternate key and a candidate key?

d. What does the notation Last Name (AK2.2) mean?

e. Name four column properties.

Reference no: EM131219891

Questions Cloud

Describe how to represent an association entity relationship : Describe how to represent an N:M strong entity relationship. Give an example other than one in this chapter.

Interoperability and health information exchange : Clearly describe interoperability and health information exchange within the public, clinical, ancillary software vendors, HIM, admitting,finance and administrators and the ICD-10 implementation.

Discuss two potential pitfalls : Discuss two potential pitfalls that may occur during an organizational intervention. Propose solutions to the pitfalls or ideas to prevent the pitfalls from occurring. Support your position with the use of one additional outside source.

Implementation of strategies in health care organizations : What are some of the primary barriers to the effective implementation of strategies in health care organizations? How can each be overcome or removed?

Describe two disadvantages of surrogate keys : What is the difference between an alternate key and a candidate key?

Make a cover letter to send out to companies : Make a cover letter to send out to companies asking if there is any jobs available in their company with your skills and and work experience.

Describe the risks and benefits with leading and meeting : There are two aspects to this assignment. First, describe the risks and benefits with leading, meeting, and lagging the market in overall compensation and benefits. Next, choose the appropriate strategy (lead, meet, or lag) for your firm, and prov..

Review the septets of the tv show the west wing : Review the septets of the TV show The West Wing about the political implications of world maps (on Blackboard). We may have viewed the clip in dais.

Back to a previous learning experience : Think back to a previous learning experience (a class, a presentation, a training session, etc.) when the instructor or presenter asked for questions.

User Account

All Pages