Extended ER Features Quiz Questions and Answers PDF - 73

MCQ 361: An abstraction through which relationships are treated as higher-level entities, is known as

1. Aggregation
2. Tabulation
3. Simulation
4. Patriotization

MCQ 362: The special character that matches any substring, is

1. %
2. ?
3. /
4. #

MCQ 363: In a disk, the sum of the seek time and the latency is equals to the

1. Response time
2. Transfer time
3. Access time
4. Data transfer rate

MCQ 364: For locating data, sequential file organizations require an

1. Random structure
2. Uniform location
3. Index structure
4. Sequenced structure

MCQ 365: An entity set E in a relationship set R is said to be total if every entity in E participates in

1. At least one relationship in R
2. All relationships in R
3. None relationship in R
4. Few relationship in R