Exam (elaborations)
DBMS Exam: Questions With Solutions (Rated A+)
- Course
- Institution
DBMS Exam: Questions With Solutions (Rated A+)
[Show more]
Content preview
DBMS Exam: Questions With Solutions (Rated A+)The binary constraint MUST NOT indicates that ________. Right Ans - a
binary relationship includes value combinations that must not occur in a
ternary relationship
When transforming an ID-dependent E-R data model relationship into a
relational database design and the child entity is designed to use a surrogate
key, then ________. Right Ans - the relationship changes to a non-ID-
dependent relationship
In relational database design, ID-dependent entities are used to ________.
Right Ans - handle associative relationships
handle multivalued attributes
represent N:M relationships
handle archetype/instance relationships
Which of the following is not a step in the database design process? Right
Ans - Create constraints and triggers
The binary constraint MUST COVER indicates that ________. Right Ans - a
binary relationship includes a set of value combinations that must all occur in
a ternary relationship
The ideal primary key is ________. Right Ans - numeric
short
fixed
To represent a one-to-many relationship in a relational database design
________. Right Ans - the key of the parent is placed as a foreign key into the
child
The first step in transforming an extended E-R model into a relational
database design is to ________. Right Ans - create a table for each entity
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76747 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now