Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Which of the following schedules is non - recoverable? a . Sch 2 : r 1 ( X ) ; w 1 ( X )

Which of the following schedules is non-recoverable?
a.
Sch2: r 1(X); w 1(X); r 1(Y); r 2(X); w 1(Y); w 2(X); C 1 ; C 2 ;
b.
Sch4: r 1(X); w 1(X); r 1(Y); r 2(X); w 2(X); w 1(Y); C 1 ; C 2 ;
c.
Sch3: : r 1(X); w 1(X); r 1(Y); r 2(X); w 1(Y); w 2(X); C 2 ; C 1 ;
d.
Sch1: r 1(X); w 1(X); r 1(Y); r 2(X); w 1(Y); C 1 ; w 2(X); C 2 ;

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Practical Database Programming With Visual C# .NET

Authors: Ying Bai

1st Edition

0470467274, 978-0470467275

More Books

Students also viewed these Databases questions