A ternary relationship involves how many entities?

If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?

A

Derived attribute

B

Optional one cardinality

C

Multi-valued attribute

D

Weak entity

An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.

A

True

B

False

Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?

A

MUST COVER

B

MUST NOT

C

Both of the above

D

None of the above is correct

When mapping a ternary relationship with an associative entity into a relation which of the following is true?

A

One relation is created.

B

Two relations are created.

C

Three relations are created.

D

Four relations are created.

Which of the following indicates the maximum number of entities that can be involved in a relationship?

A

Minimum cardinality

B

Maximum cardinality

C

ERD

D

Greater Entity Count

Which of the following indicates the minimum number of entities that must be involved in a relationship?

A

Minimum cardinality

B

Maximum cardinality

C

ERD

D

Greater Entity Count (GEC)

Among the following, which one is a ternary operator?

A

+

B

:

C

–

D

?:

Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent

A

A pure component

B

A binary mixture

C

A ternary mixture

D

Partially miscible ternary system

The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an

A

Pure component

B

Binary mixture

C

Ternary mixture

D

Insoluble binary system

(i)Participation involves more than the formal sharing of decisions. (ii)through anticipation , individuals . or organizations consider trends and make plans , shielding institutions from trauma of learning by shock. (iii) Innovative learning involves both anticipation and participation . (iv) It is an attitude characterized by cooperation. dialogue and empathy.

A

(ii) + (iii) + (i) + (iv)

B

(i) + (ii) + (iv) + (iii)

C

(iv) + (i) + (iii) + (ii)

D

(iii) + (ii) + (i) + (iv)

A ternary relationship involves how many entities?

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