Question: Give an example, other than those described in this chapter, of a weak entity type. Why is it necessary to indicate an identifying relationship?

Give an example, other than those described in this chapter, of a weak entity type. Why is it necessary to indicate an identifying relationship?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Example of weak entity Phone Call seebelow is an example of a weak entity because a phone call mus... View full answer

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 Databases Questions!

Q:

2. Match the following terms and definitions, -composite attribute a uniquely identifies entity instances associative entity b. relates instances of a single entity type _unary relationship c....

Q:

12. Give an example, other than those described in this chapter, of a weak entity type. Why is it necessary to indicate an identifying relationship? 13. What is the degree of a relationship? List the...

Q:

Give an example, other than those described in this chapter, of a weak entity type. Why is it necessary to indicate an identifying relationship?

Q:

Give an example, other than those described in this chapter, of a weak entity type. Why is it necessary to indicate an identifying relationship?

Q:

Give an example, other than those described in this chapter, of a weak entity type. Why is it necessary to indicate an identifying relationship?

Q:

Chapter 1: Review Questions 1.1. Define the following terms: data, database, DBMS, database system, database catalog, program-data independence, user view, DBA, end user, canned transaction,...

Q:

Question 1: A database is being constructed to keep track of the teams and games of a sports league. A team has a number of players, not all of whom participate in each game. It is desired to keep...

Q:

1. [50 points] Consider the following set of requirements for a UNIVERSITY database that is used to keep track of students transcripts. Draw an Entity-Relationship (E-R) diagram for this application....

Q:

Answer steps 1 to 6 , use 3 rd image for more info: List the Regular Entity, last page is example: List only Types in the HAFH ER diagram. INSPECTOR BUILDING CORPCLIENT MANAGER STAFFMEMBER List the...

Q:

1)Design an ER schema for keeping track of information about votes taken in the U.S. House of Representatives during the current two-year congressional session. The database needs to keep track of...

Q:

You are given the following information for Lightning Power Co. Assume the company's tax rate is 23 percent. Debt: 18,000 6.7 percent coupon bonds outstanding, $1,000 par value, 25 years to maturity,...

Q:

Make the necessary journal entries arising from Cape Auto Centers bank reconciliation presented next. Date each entry May 31 and include an explanation with eachentry. Cape Auto Center Bank...

Q:

create a diagram like this state machine for online grocery delivery system and add the final state and list the different states used Sample State Machine

Q:

In Exercises, solve each differential equation and graph the function y = f(x) and the polygonal approximation on the same axes. dy dx = y; y(0) = 1

Q:

Describe how Married_to can be modeled as a recursive relationship.

Q:

Create an example of a recursive relationship with an m:n cardinality constraint.

Q:

Why can total participation of an entity type in a relationship type also be referred to as existence dependency of that entity type in that relationship type?

Q:

(8) Humira Boards want to make an investment. They have shortlisted 2 investments X and Y. If Investment X offers to pay the $25,000 per year for 6 years, whereas Investment Y offers to pay you...

Q:

During 2021, WMC Corporation discovered that its ending inventories reported on its financial statements were misstated by the following amounts: 2019 understated by 2020 overstated by $134,000...

Q:

1 4 pts 100) Which of the following would NOT represent good controls over cash receipts? OD) Verify cash receipts by comparing the bank deposit slip with the accounting records. OA) Record all cash...