question 4: The unique identity assigned to each independent object in an ODB database is known as the: A) primary key B) hidden value C) candidate key D) foreign key E) object identtifer question 5: One type of transaction schedulcing which is always considered to be correct is a(n) blank schedulce: A) serializable B) SQL C) train-based D) deadlock E) object -oriented
question 4: The unique identity assigned to each independent object in an ODB database is known as the: A) primary key B) hidden value C) candidate key D) foreign key E) object identtifer question 5: One type of transaction schedulcing which is always considered to be correct is a(n) blank schedulce: A) serializable B) SQL C) train-based D) deadlock E) object -oriented
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Can you answer question 4 and 5:
question 4: The unique identity assigned to each independent object in an ODB
A) primary key
B) hidden value
C) candidate key
D) foreign key
E) object identtifer
question 5: One type of transaction schedulcing which is always considered to be correct is a(n) blank schedulce:
A) serializable
B) SQL
C) train-based
D) deadlock
E) object -oriented
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