In an Entity-Relationship Diagram “Diamonds” representsSelect one:a. Relationship setsb. Weak Entityc. Tabled. Attributes

Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram ?

One of these is not part of ER diagramsQuestion 1Select one:a.Entityb.Relationshipc.Attributed.Primary Key

A weak entity set in an E-R diagram is an entity set that:Marks : 1Negative Marks : 0Answer herehas a primary keymust be part of a one to many relationship setis not existence dependent on a dominant entitymust not participate as owner in an identifying relationship with another entity set

The entity relationship set is represented in an ER diagram as _______________. Select the most suitable answer to fill in the blank.Double diamondsUndivided rectanglesDashed linesA DiamondA Round / Circle

Consider the following Entity-Relationship (E-R) diagram and three possible relationship sets (I, II and III) for this E-R diagram:I IIIIIIf different symbols stand for different values (e.g., t1 is definitely not equal to t2), then which of the above could not be the relationship set for the E-R diagram ?