What symbol denotes a mandatory constraint on an entity's relationship?Question 2Answera.a circle or 'o'b.an arrow or '<'c.a vertical line or '|'

In E-R modeling, which symbol is used to set up relationships between two or more entities?Marks : 1Negative Marks : 0Answer hereOvalEclipseDiamondRectangle

In E-R modeling, which symbol is used to set up relationships between two or more entities?

Entities can be associated with one another in which of the following?Marks : 1Negative Marks : 0Answer hereEntitiesAttributesIdentifiersRelationships

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

Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram ?Marks : 1Negative Marks : 0Answer hereDiamonds with double/bold borderRectangles with double/bold borderOvals with double/bold borderOvals that contain underlined identifiers