Question: Surrogate Primary keys are a good choice when: there is no natural primary key the natural primary key is sensitive User is implementing an associative

Surrogate Primary keys are a good choice when: there is no natural primary key the natural primary key is sensitive User is implementing an associative entity table that will be the parent of a child table and you don't want to propagate the composite primary key columns

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Billy Adams, controller for Westcott, Inc., prepared the following budget for manufacturing costs at two different levels of activity for 2010: During 2009, Westcott employees worked a total of...

BITS Corporation exercises 3-5 poly dent tudent Cou Tacuity student Faculty dente. Se esta Student to Describe the entity su s ulty traculty R um) the relationship between columns that can be u 11....

INFX 5 8 0 HW 4 CPU CASE After numerous interviews, prototypes, data flow diagrams, data dictionary entries, and UML diagrams have been completed, Anna and Chip both start work on the entity -...

KC-Sisters takeaway wants to start an online business. They show you a sample checkout form and a menu from their brother's business. They want you to create the backend database that will support...

A written description in English of the aspects of the business that the students project is addressing and the rules that are going to be described by the ERD. An ERD for the students project. A...

Objective: Let's have a discussion about the Natural , surrogate and Primary Keys. How different or similar are they? Try to mention examples or real time scenarios for this aspect. Pick another...

10.1.3.1/20 10.1.2.1/24 R3 10.1.5.1/24 R1 SP1 AS1 le1 10.1.0.1/24 10.2.0.1/24 RB 10.2.3.1/24, 10.1.4.1/24 R10 SP2 AS2 102 192.168.55.1/24 R9 10.2.1.1/24 101 lo1 10.3.1.1/24] 10.3.0.1/24 Internet RS...

Objective: Let's have a discussion about the Natural , surrogate and Primary Keys. How different or similar are they? Try to mention examples or real time scenarios for this aspect. Pick another...

This is symbolized by a circle over a single line in an entity relationship diagram. It signifies that the supertype does NOT have to be one of the specified subtypes. Partial completeness Total...

Qestion: Reflect upon the desirable characteristics of a primary key that were presented in this weeks lecture. Choose one characteristic and discuss why you believe it would be undesirable if this...

could someone please help me these access assignment Accounting Information Systems Access Assignment S&S Revenue Database Introduction to Microsoft Access: Microsoft Access is representative of...

Explain how covid-19 affected the transportation system in South Africa.?

An investor with a total wealth of $100 is faced with the following opportunities. First, he may invest $100 now and receive $144 if there are good times, but receive $64 if there are bad times. The...

Assume a firm has a debt - equity ratio of . 4 3 . The firm's cost of equity is: Multiple Choice generally less than its WACC. unaffected by changes in the market risk premium. directly related to...

In a PERT network, Activity F has an estimated duration of 8 days and Activity G has an estimated duration of 10 days. If Activity F is dependent on Activity G, what is the critical path duration?