MCQOPTIONS
Bookmark
Saved Bookmarks
→
Database
→
Managing Databases With Oracle in Database
→
Considering binary relationships, possible cardina..
1.
Considering binary relationships, possible cardinality ratios are:
A.
one ∶ one
B.
1 ∶ N
C.
M ∶ N
D.
All the options
Answer» E.
Show Answer
Discussion
No Comment Found
Post Comment
Related MCQs
An ER model of a database consists of entity types A and B. These are connected by a relationship R which does not have its own attribute. Under which one of the following conditions, can the relational table for R be merged with that of A?
In E-R model, Y is the dominant entity and X is the subordinate entity.
Consider the following Entity Relationship Diagram (ERD) Which of the following possible relations will not hold if the above ERD is mapped into a relation model ?
An aggregation association is drawn using which symbol?
In ER diagrams weak entity set is represented by _____ and weak entity set has always ______ participation with respect to its identifying relationship.
Considering binary relationships, possible cardinality ratios are:
A double ellipse represents _________ attribute in ER-diagram.
In an Entity-Relationship (ER) model, suppose
Conceptual level, internal level and External level are three components of the three-level RDBMS architecture. which of the following is not of the conceptual level?
______ mean unification of several otherwise distinct data files with data redundancy among those files partially or wholly eliminated.
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply