Question: A weak entity type is q , a . an entity that is not existence - dependent on some other entity type b . an

A weak entity type is q,
a. an entity that is not existence-dependent on some other entity type
b. an instance that is existence dependent on some other entity type
c. an entity type that does have key attributes of its own.
d. an Entity that characterizes a DBMS
A weak entity type is q, a. an entity that is

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 Databases Questions!

Q:

Map the BANK ER schema of Exercise 3.23 (shown in Figure 3.21) into a relational schema. Specify all primary keys and foreign keys. Repeat for the AIRLINE schema (Figure 3.20) of Exercise 3.19 and...

Q:

3. (15 points) Use the ER diagram of a company database system below to answer the following questions: Frame Minist r ame Bdule N ame Address Salary San Location WORS_FORAN 11. Humber Dewan...

Q:

3. (15 points) Use the ER diagram of a company datab questions: abase system below to answer the following Frame Minit name Bdute Name Address Salary Sun Sex WORKS FOR 6410 Employee Startdate Number...

Q:

3. (15 points) Use the ER diagram of a company database system below to answer the following questions: Frame Minit Lramo BduleName Address Salary San / Sex WORKS FORAN Name Number Department...

Q:

I need someone to check my solution. also, most of all I need someone to give me other solution correct. All constraints within a schema must be given unique names: A weak entity type is an entity...

Q:

2. (12 pts). Circle ALL of the correct answers from the given choices (there may be more than one correct answers). 1) Unary (recursive) relationship type (3 pts) a. Employees supervise multiple...

Q:

[Q.1] Answer the following questions based on company conceptual schema in ER diagram. 1. List regular entity types in the company conceptual schema. 2. List a weak entity type and its identifying...

Q:

Suppose you are working within the framework of the conceptual model below. STORE employs EMPLOYEE places has ORDER DEPENDENT contains ORDER_LINE is written in # PRODUCT Write 10 business rules that...

Q:

Question 1- Multiple choices (7 points 1. The conceptual data model of a database system is a) Software dependent and hardware dependent b) Software dependent and hardware independent c) Software...

Q:

The meta-data of a DBMS refers to the catalog that stures the description of a particular database (eg data structures, types, and constraints) True False Question 16 -- /20 Prane Number Nur AD...

Q:

As these technologies go beyond the capacity and abilities of human beings, what is the role of people in the processes they affect? Do you think these technologies empower us by allowing us to...

Q:

In the IS-LM model, an increase in the current price level shifts the A. IS curve to the right. B. IS curve to the left. C. LM curve to the right. D. LM curve to the left

Q:

A company's ROA and ROE are constant as 4 % and 9 % respectively and these two variables are defined as net income dividend by the previous year's total assets and equity respectively. The company...

Q:

CT Corp Comprehensive Question Canadian Tire Corporation, Limited ( Canadian Tire ) is a family of companies that includes a retail segment and a financial services division, among others. The retail...

Q:

Name and identify the placement features of the three business letter formats discussed in this chapter. (Objective 3)

Q:

Name and explain the two punctuation styles that can be used with letters. (Objective 2)

Q:

What items are included in the signature block of a letter? How and where is the writer identified in a memo? (Objectives 1 and 5)