Mathematical-Reasoning
November 29, 2024NTA-UGC-NET 2021 Dec & 2022 June Paper-1
November 30, 2024GATE 2006-IT
| Question 15 |
Which of the following relational query languages have the same expressive power?
1. Relational algebra
2. Tuple relational calculus restricted to safe expressions
3. Domain relational calculus restricted to safe expressions
| 2 and 3 only | |
| 1 and 2 only | |
| 1 and 3 only | |
| 1, 2 and 3 |
Question 15 Explanation:
Given all three languages have same expressive power.
Correct Answer: D
Question 15 Explanation:
Given all three languages have same expressive power.