CS101 Quiz 6

Q1. Database systems emerged as a means of ___________ the information stored in organizations.

1. Separating
2. Duplicating
3. Restricting
4. Integrating

Correct answer: Integrating

Q2. Each statement in natural language can have:

1. Same meaning
2. Multiple meaning
3. Unique meaning
4. One meaning

Correct answer: Multiple meaning

Q3. In hash file, the hash function involves dividing the keys by the number of buckets available and recording the _____.

1. quotient
2. remainder
3. product
4. sum

Correct answer: remainder

Q4. Large, multiuser, commercial database systems have __________ stakes compared to personal use systems.

1. Lower
2. Identical
3. Comparable
4. Higher

Correct answer: Higher

Q5. Operations that are only partially completed in commercial systems might lead to ___________ information in the database.

1. Incomplete
2. Verified
3. Accurate
4. Valid

Correct answer: Incomplete

Q6. Meaning of a statement in natural language depends on its:

1. Formatting
2. Context
3. Style
4. Grammar

Correct answer: Context

Q7. In a list, what is the opposite end of the head called?

1. Bottom
2. Base
3. Tail
4. End

Correct answer: Tail

Q8. To retrieve information about an employee, we perform ______ operation on the EMPLOYEE relation.

1. INSERT
2. DELETE
3. UPDATE
4. SELECT

Correct answer: SELECT

Q9. _________ is exemplified by two transactions, each of which makes a deduction from the same account.

1. Lost update problem
2. Potential problem
3. Time sharing
4. Incorrect summary problem

Correct answer: Lost update problem

Q10. In a tree, what is the term for nodes at the other extreme, often called leaf nodes?

1. Parent nodes
2. Internal nodes
3. Terminal nodes
4. Root nodes

Correct answer: Terminal nodes