MIS582 Quiz 3

Lab Price = $9
Please feel free to send us your queries at: [email protected]
Payment methods

Add to Cart

Buy Now

View Cart

Problem Statement

1. For a relationship to be considered a binary relationship it must satisfy which of the following conditions?
It must involve exactly two entity classes.
It must have a maximum cardinatlity 1:1
It must have a maximum of 1:N
It must have two enitity instances that satisfy the relationship
Both A and D

2. A composite identifier …………..
Is a multivalued
Is an identifier
Consists of a group of attributes
Is calculated at run time
Both b and c

3. The identifier of the entitity becomes the ……………. Of the corresponding table
Primary key
Foreign key
Both A and B

4. In a relational DB design all relationships are expresse by ……………
Creating a primary key
Creating a foreign key
Creating a supertype
Creating a sub type
Creating a line between entities

5. In a supertypr-subtype structure discriminator attributes…………….
Are easily represented in a relational design
Cannot be represented in a relational design
Require application logic to determine which subtypes correspond to a specific supertype instance
Both A and C
Both B and C

Q: Math the following terms to definitions

…… ID-dependent entity

… weak entity

1. Something that the users want to track in their environment
2. An entity whose identifier includes the identifier of another enitity
3. Describe characteristic of an entity
4. An entity whose existence depends on the presence of another enitity but whose identifier does not include the identifier of other entitiy
5. An entity that holds specialized attributes that distinguish it from one or more other similar entities.

Q: briefly describe the process of converting an extended ER model into a relational database design.

Relevant Material
* If you want to purchase multiple products then click on “Buy Now” button which will give you ADD TO CART option.Please note that the payment is done through PayPal.
* You can also use 2CO option if you want to purchase through Credit Cards/Paypal but make sure you put the correct billing information otherwise you wont be able to receive any download link.
* Your paypal has to be pre-loaded in order to complete the purchase or otherwise please discuss it with us at [email protected].
* As soon as the payment is received, download link of the solution will automatically be sent to the address used in selected payment method.
* Please check your junk mails as the download link email might go there and please be patient for the download link email. Sometimes, due to server congestion, you may receive download link with a delay.
* All the contents are compressed in one zip folder.
* In case if you get stuck at any point during the payment process, please immediately contact us at [email protected] and we will fix it with you.
* We try our best to reach back to you on immediate basis. However, please wait for atleast 8 hours for a response from our side. Afterall, we are humans.
* Comments/Feedbacks are truely welcomed and there might be some incentives for you for the next lab/quiz/assignment.
* In case of any query, please donot hesitate to contact us at [email protected].
* MOST IMPORTANT Please use the tutorials as a guide and they need NOT to be used for any submission. Just take help from the material.
******************************************** Good Luck ***************************************************
Privacy Policy
We take your privacy seriously and will take all measures to protect your personal information.
Any personal information received will only be used to fill your order. We will not sell or redistribute your information to anyone.
Refund Policy
Incase you face any issues with the tutorial, please free to contact us on [email protected]
We will try our best to resolve the issue and if still persists we can discuss for a refund in case its required.
Payment Details
Lab Price = $9
Please feel free to send us your queries at: [email protected]

Payment methods

Add to Cart

Buy Now

View Cart

Leave a Reply