Weak Entity Types Multiple Choice Questions with Answers – PDF Download

MCQ 1: 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

MCQ 2: The entities that have key attributes to be distinct are considered as:

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

MCQ 3: 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

MCQ 4: 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

MCQ 5: 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