Transactions t1 and t2 are in a deadlock, Database Management System

Evaluate:

a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation.

b. When an inform to the database takes place, the time of the update, the values of the data previous to and after the update, and the type of lock used are recorded in the transaction log.

c. To restore a database using the instant update approach, both undo and redo operations may be essential, while with the deferred update approach only redo operations are used.

 

Posted Date: 3/20/2013 7:45:17 AM | Location : United States







Related Discussions:- Transactions t1 and t2 are in a deadlock, Assignment Help, Ask Question on Transactions t1 and t2 are in a deadlock, Get Answer, Expert's Help, Transactions t1 and t2 are in a deadlock Discussions

Write discussion on Transactions t1 and t2 are in a deadlock
Your posts are moderated
Related Questions
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs

CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?

Using the questions found at the end of Chapter 9 in your textbook, complete this homework activity. Students will submit a Word document answering questions 2, 3, and 4.

What is the need of a log in a DBMS? Briefly describe the various types of records that are normally present in a log.            Ans:  The system log, which is generally writt

What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.

Explain in detail the consistency model of the distributed file system you studied (GFS or AFS). Present the consistency model chosen and how it was achieved through design. Clarit

Explain algorithm of ER To Relational Mapping ? ER-to-Relational Mapping Algorithm: 1) Step 1: Mapping of regular entity types: For each strong entity type E, form a relatio

HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

What are called journaling file systems? File systems that support log disks are known as journaling file systems.