Weak Entity Types MCQ with Answers PDF Download – Test 100

MCQ 496: The kind of entities without any key attributes are classified as:

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

MCQ 497: The most popular high level conceptual model in database management system is:

1. close end relation model
2. query relation model
3. entity relationship model
4. attribute relationship model

MCQ 498: The maximum number of instances that can participate into the binary relationship is classified as:

1. floating ratio
2. cardinality ratio
3. intensive ratio
4. extensive ratio

MCQ 499: The data model which works as bridge to overcome communication gap between application developers and database designers is classified as:

1. rational rose data modeler
2. state chart data modeler
3. sequential data modeler
4. structural data modeler

MCQ 500: The process which includes the functions such as retrieving particular data with the help of specific queries and generating reports of that data is classified as:

1. constructing the database
2. manipulating the database
3. retrieving the database
4. controlling the database