Question: Using the following execution shown below, explain what is done in each of the ARIES recovery algorithm phases: LSN LOG 00 begin_checkpoint 10 end_checkpoint 20

Using the following execution shown below, explain what is done in each of the ARIES recovery algorithm phases:

LSN

LOG

00

begin_checkpoint

10

end_checkpoint

20

update: T1 writes P1

30

update: T2 writes P2

40

update: T3 writes P3

50

T2 commit

60

update: T3 writes P2

70

T2 end

80

update: T1 writes P5

90

T3 abort

CRASH, RESTART

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Using the following execution shown below, explain what is done in each of the ARIES recovery algorithm phases: LSN LOG 00 begin_checkpoint 10 end_checkpoint 20 update: T1 writes P1 30 update: T2...

Q:

Consider the following log: LSN LOG 00 begin_checkpoint 10 end_checkpoint 20 update: T1 writes P1 30 update: T1 writes P2 40 update: T2 writes P3 50 update: T3 writes P4 60 T1 commit 70 update: T3...

Q:

(b) Consider the following log entries and then use ARIES recovery algorithm to recover this schedule after the system crash: LSN Log 00 begin_checkpoint 10 end_checkpoint 20 update: T1 write B 30...

Q:

For questions 3-5, consider the execution of the ARIES recovery algorithm given the following log: LSN Log Record 00 begin_checkpoint 05 end_checkpoint 10 Update: T3 writes P1 20 Update: T1 writes P1...

Q:

//Database Management/ ARIES recovery algorithm logs For questions 4-6, consider the execution of the ARIES recovery algorithm given the following log: LSN Log Record 00 begin_checkpoint 05...

Q:

Consider the log shown below. LSN LOG 00 update: T1 writes P3 10 update: T1 writes P1 20 update: T1 writes P2 30 update: T2 writes P3 40 begin checkpoint 45 end checkpoint 50 update: T3 writes P4 60...

Q:

Show the log entries at the end of the Aries algorithm onsider the execution shown below. LSN LOG 00 begin checkpoint 10 update: T1 writes P1 20 T1 commit 30 update: T2 writes P2 40 T1 end 50 60...

Q:

Consider the execution shown in Figure 18.3. In addition, the system crashes during recovery after writing two log records to stable storage and again after writing another two log records. 1. What...

Q:

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

Q:

(i) Write down the linear program relaxation for the vertex cover problem and solve the linear program. [6 marks] (ii) Based on the solution of the linear program in (b)(i), derive an integer...

Q:

Solve differentiol cauchy-fuler eatuation. the 21. Ky-2xy+2y

Q:

Receiving has three activities: unloading, counting goods, and inspecting. Unloading uses a forklift that is leased for $12,000 per year. The forklift is used only for unloading. The fuel for the...

Q:

Define and categorize the major types of financial institutions operating in todays economy.

Q:

(i) Suggest how the heterocycles C and D shown below could be synthesised. Show the reagents and starting materials required and name the reactions that are involved. (ii) Provide the mechanism...

Q:

What would be the shared Data Elements between Position Control and Salary Grade Tables in providing cost input to Budgets for vacant positions?

Q:

What is the purpose of the Salary Structure Table?

Q:

What is the scope and use of a Job Family Table?