Database Design Notes Questions with Answers PDF Download – Test 71

MCQ 351: The physical features of the database are specified, in:

1. Virtual design phase
2. Physical design phase
3. View design phase
4. Logical design phase

MCQ 352: Computer users see a set of application programs that hide details of the data types, at the level:

1. Logical level
2. Virtual level
3. Physical level
4. Logical level

MCQ 353: In accessing a website, a user must submit a digital certificate including the:

1. Private key
2. Public key
3. Modulation key
4. Encryption key

MCQ 354: The object-relational data model combines features of the object-oriented data model and:

1. Entity relationship model
2. Relational Model
3. Semi-structured data model
4. Relation View data model

MCQ 355: The projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as:

1. Embedded Projection
2. Extended Projection
3. Generalized Projection
4. Aggregation Projection