Data Models Categories MCQ with Answers PDF Download – Test 92

MCQ 456: The data model which uses the concepts such as attributes, relationships and entities is classified as:

1. conceptual data model
2. representative data models
3. graphical data models
4. occasional data models

MCQ 457: The normal form which only includes indivisible values or single atomic values is classified as:

1. third normal form
2. first normal form
3. second normal form
4. fourth normal form

MCQ 458: The property which states that files of data stored in database management system does not belong to the application programs is called:

1. program data dependence
2. program data dependence
3. structural independence
4. conceptual independence

MCQ 459: The technique of writing data on two physical disks and treating both disks as one logical disk unit is classified as:

1. shadowing
2. clustering
3. distributing
4. non shadowing

MCQ 460: The language used to insert, delete, modify and retrieve data in DBMS is considered as:

1. logical path language
2. external mapping language
3. data manipulation language
4. internal mapping language