Given Aiis the ith attribute, Di is the ith domain name, which one of the following expressions is a relation schema? ( ) Re (A1:D1, A2:D2, A3:D3,…, An:Dn) ( ) (A1:D1, A2:D2, A3:D3,…, An:Dn) ( ) Re (A1, A2, …, Ai,…, An) ( ) Re (D1: A1 , D2: A2, …, Di: Ai,…, Dn: An)
Given Aiis the ith attribute, Di is the ith domain name, which one of the following expressions is a relation schema? ( ) Re (A1:D1, A2:D2, A3:D3,…, An:Dn) ( ) (A1:D1, A2:D2, A3:D3,…, An:Dn) ( ) Re (A1, A2, …, Ai,…, An) ( ) Re (D1: A1 , D2: A2, …, Di: Ai,…, Dn: An)
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter10: Transaction Management And Concurrency Control
Section: Chapter Questions
Problem 1P
Related questions
Question
16.Given Aiis the ith attribute, Di is the ith domain name, which one of the following expressions is a relation schema?
( ) Re (A1:D1, A2:D2, A3:D3,…, An:Dn)
( ) (A1:D1, A2:D2, A3:D3,…, An:Dn)
( ) Re (A1, A2, …, Ai,…, An)
( ) Re (D1: A1 , D2: A2, …, Di: Ai,…, Dn: An)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781285196145
Author:
Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:
Cengage Learning
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781305627482
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781285867168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781285196145
Author:
Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:
Cengage Learning
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781305627482
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781285867168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
A Guide to SQL
Computer Science
ISBN:
9781111527273
Author:
Philip J. Pratt
Publisher:
Course Technology Ptr
