100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
COP 4703 Question and answers verified to pass 2024 £10.76   Add to cart
Quickly navigate to
Preview
  2.  
  3. COP
  4.  
  5. COP

Exam (elaborations)

COP 4703 Question and answers verified to pass 2024

 7 views  0 purchase
  • Module
  • COP
  • Institution
  • COP

COP 4703 Question and answers verified to pass 2024 COP 4703 Which of the following is the database implementation of the referential integrity rule? A. Foreign Key B. Primary Key C. Legal Value constraint D. Candidate Key - correct answer A What are the properties of union compatibi...

[Show more]

Preview 2 out of 15  pages

Document information

  • September 7, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • cop 4703
  • cop 4703 question and answers verified to pass 202

Written for

  • COP
  • COP

Seller

avatar-seller
flyhigher329

Reviews received

Content preview

COP 4703
Which of the following is the database implementation of the referential
integrity rule?


A. Foreign Key
B. Primary Key
C. Legal Value constraint
D. Candidate Key - correct answer ✔A


What are the properties of union compatibility?


A. must have same number of columns
B. columns must contain only strings
C. only two queries are allowed
D. columns must have the same data type - correct answer ✔A, D


Which is the correct SQL structure to in the database which will make a select
query perform faster is implemented correctly?


A. Check
B. View
C. Index
D. Constraint - correct answer ✔C


A mobile product manager wants to build a database to track the team's
mobile products.

, How would you create the table for a Product which needs to contain
ProductId (PrimaryKey), Product Name, Product Type (Which can only
contain the values "Platform", "Utility" or "Game"), Priority and Delivery Date?


A. select into table Product(ProductID char(8) primary key,productName
varchar(50),productType varchar(20) prority int,deliverydate date)


B. create table Product(ProductID char(8) primary key,productName
varchar(50),productType varchar(20) check (productType in
('Platform','Utility','Game')),priority int,deliverydate date)


C. insert table Product(ProductID char(8) primary key,productName
varchar(50),productType varchar(20) constraint (productType in
('Platform','Utility','Game')),prority int,deliverydate date)


D. create table Product(ProductID char(8) primary key,productName
varchar(50),productType varchar(20) for - correct answer ✔B


Remove any developer records whose "job title" column is that of a tester
from the table. ?


A. Delete from developer where jobtitle = 'tester'


B. Alter developer delete * where jobtitle = 'tester'


C. Delete developers from developer where jobtitle = 'tester'


D. Drop developer where jobtitle = 'tester' - correct answer ✔A

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller flyhigher329. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £10.76. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79271 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£10.76
  • (0)
  Add to cart