Software Programming : Database Management QUESTIONS AND ANSWERS :: part7 : 11 to 15
Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :
11.State the unit of storage that can store one or more records in a hash file organization |
| Buckets |
| Disk pages |
| Blocks |
| Nodes |
| Baskets. |
12.Which of the following concept is applicable with respect to 2NF? |
| Full functional dependency |
| Partial dependency |
| Transitive dependency |
| Non-transitive dependency |
| Data independence. |
13.Consider the following ER diagram depicting the relationship of an employee and supervisor: What is the possible relation if the above ERD is mapped into a relational model? |
| Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)) |
| Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName)} |
| Supervision (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName), EmpID) |
| Supervisor (SupervisorID, BirthDate, Salary, Name(FirstName, MiddleName, LastName),EmpID), {EmpID}) |
| Employee (EmpID, BirthDate, Salary, Name(FirstName, MiddleName, LastName), SupervisorID). |
14.If K is a foreign key in a relation R1, then |
| Every tuple of R1 has a distinct value for K |
| K cannot have a null value for tuples in R1 |
| K is a key for some other relation |
| K is a Primary key for R1 |
| K is a Composite key for R1. |
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