Question: __________ is the snapshot of the relation at a particular time. It consists of the data which is present inside the relation at a particular instance of time. Duplicate row entries are not allowed in the _____. Though in SQL, duplicate rows are allowed in the table.
Answer:
MCQ: __________ is the snapshot of the relation at a particular time. It consists of the data which is present inside the relation at a particular instance of time. Duplicate row entries are not allowed in the _____. Though in SQL, duplicate rows are allowed in the table.
Correct Answer:
A. Database instance
Discuss a Question
Related Questions
- 1. A Database schema, along with primary key and foreign key dependencies, can be depicted pictorially by _________
- 2. The relational Algebra is a ____________ Query language.
- 3. Which of the following are the fundamental operations in the Relational Algebra?
- 4. The select, project and rename operations are called____
- 5. Which of the following is the Binary Operations?
- 6. The select operation selects tuples that satisfy a given predicate. We use the lowercase______ to denote selection
- 7. Suppose we want to list all loan numbers and the amount of the loans, but do not care about the branch name. Which of the following operation allows us to produce this relation?
- 8. The Project operation selects tuples with some attributes that we wish to include but some attribute we do not want to include in the final relation. We use the lowercase______ to denote Project operation.
- 9. The Binary operation Union, denoted, as in the set theory by _____
- 10. If we want to include attributes from two different relations, which of the following operations is needed?
You may be interested in:
Advanced Database Management System MCQsRecently Added Articles
How Can AI Simplify the Academic Life of Students?
Last updated on: April 16, 2025Posted by: ExamRadar
Want to Clear IBPS RRB PO? Master These Mock Test Hacks!
Last updated on: March 10, 2025Posted by: ExamRadar
Top AI Tools for Instantly Detecting Plagiarized Writing
Last updated on: December 5, 2024Posted by: ExamRadar
Applying Algorithmic Trading Techniques to Forex: Insights for Programmers and Data Scientists
Last updated on: November 22, 2024Posted by: ExamRadar
Image to Text Conversion Made Easy: Online Tool Insights
Last updated on: April 12, 2024Posted by: ExamRadar
