Weak Entity Types MCQ (Multiple Choice Questions) PDF Download

The weak entities and their identifying relationship in the ER diagrams are represented by

1. oval shape with double line
2. rectangle shape with double line
3. square shape with double line
4. diamond shape with double line

The entities that have key attributes to be distinct are considered as

1. weak entity
2. strong entity
3. single entity
4. foreign entity

The parent entity type or identifying entity type are considered as other names of

1. dominant entity type
2. non dominant entity type
3. composite entity type
4. non foreign entity type

In entity-relationship, the entity type which has existence dependency constraint is classified as

1. single entity
2. foreign entity
3. weak entity
4. strong entity

The set of key attributes that identify weak entities related to some owner entity is classified as

1. structural key
2. partial key
3. string key
4. foreign key