In order to undo the work of transaction after last commit, which command should be used

Question

In order to undo the work of transaction after last commit, which command should be used

1 Answer

Related questions

0 votes

0 answers 287 views

Suppose, there are N number of operations that have to be performed for a transaction. Now describe, in which state the (N-1) operations will be executed and what’s the name of N th operation for that specific transaction.

asked Dec 23, 2020 in Database Management Systems by anonymous

+1 vote

1 answer 967 views

Give an example of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly

asked May 20, 2021 in Compilers & Operating Systems by anonymous

+1 vote

2 answers 2.5k views

Should there be a separate profession of 'software architect’ whose role is to work independently with a customer to design the software system architecture?

asked Nov 1, 2019 in Software Engineering by anonymous

+2 votes

1 answer 2.8k views

Write a case study in the style used here to illustrate the importance of communications in a project team. Assume that some team members work remotely and it is not possible to get the whole team together at short notice.

asked Mar 13, 2020 in Software Engineering by anonymous

+1 vote

1 answer 112 views

What are the commands used in TCL(Transaction Control Language)

asked Feb 24 in Database Management Systems by (user.guest)

+2 votes

1 answer 1.5k views

Is it necessary for the pages of a process in main memory to be in sequential order?

asked Jan 2, 2020 in Computer Architecture by anonymous

+2 votes

1 answer 1.1k views

You are responsible for the design of a communications switch that has to provide 24/7 availability, but which is not safety-critical. Giving reasons for your answer, suggest an architectural style that might be used for this system.

asked Mar 13, 2020 in Software Engineering by anonymous

+3 votes

1 answer 2.2k views

Cost estimates are inherently risky, irrespective of the estimation technique used. Suggest four ways in which the risk in a cost estimate can be reduced.

asked Mar 13, 2020 in Software Engineering by anonymous

+1 vote

1 answer 3.6k views

You are a software engineering manager, and a senior member of your team proposes that model-driven engineering should be used to develop a new system...

asked Nov 1, 2019 in Software Engineering by anonymous

+1 vote

1 answer 1.1k views

It has been suggested that an independent certification authority should be established. Vendors would submit their components to this authority, which would validate that the component was trustworthy.

asked Nov 11, 2019 in Software Engineering by anonymous

0 votes

0 answers 924 views

Consider a system consisting of processes P1, P2, ..., Pn, each of which has a unique priority number. Write a monitor that allocates three identical printers to these processes, using the priority numbers for deciding the order of allocation.

asked Dec 10, 2020 in Compilers & Operating Systems by anonymous

0 votes

0 answers 498 views

It has been suggested that the control software for a radiation therapy machine, used to treat patients with cancer, should be implemented using N-version programming. Comment on whether or not you think this is a good suggestion.

asked Dec 4, 2020 in Software Engineering by anonymous

+3 votes

1 answer 968 views

It has been suggested that the control software for a radiation therapy machine, used to treat patients with cancer, should be implemented using N-version programming. Comment on whether or not you think this is a good suggestion.

asked Mar 13, 2020 in Software Engineering by anonymous

+1 vote

1 answer 2.0k views

It has been suggested that the control software for a radiation therapy machine, used to treat patients with cancer, should be implemented using N-version programming...

asked Nov 10, 2019 in Software Engineering by anonymous

+1 vote

1 answer 95 views

What are some of the ways in which data may be transferred to and from the CPU and I/O devices

asked May 13 in Computer Architecture by (user.guest)

0 votes

0 answers 268 views

Briefly discuss the history and future of multimedia. How might multimedia be used to improve the lives of its users? How might it influence users in negative ways? What might be its shortcomings?

asked Oct 4, 2020 in Computer Networks by anonymous

+1 vote

0 answers 423 views

Compare and contrast three (3) performance assessment methods that could be used in evaluating the performance of computers. In each case demonstrate how it could be used to evaluate the performance of a set of computers.

asked Jul 28, 2020 in Computer Architecture by anonymous

+1 vote

1 answer 238 views

Determine the modulus of the presettable counter shown. If the counter were initially in the 0110 state, what would be the state of the counter immediately after the eighth clock pulse be?

asked Oct 15, 2021 in Hardware Systems & Electronics by anonymous

+1 vote

0 answers 283 views

What could be the reason why the application of the 5 rules of transformation from Entity-Relation to Relation would not produce a collection of relations in 3rd Normal Form. Back your proposal with examples.

asked Nov 8, 2021 in Database Management Systems by anonymous

+1 vote

1 answer 152 views

Explain the various steps which are used to check the power in Hard Disk?

asked Oct 11, 2021 in Hardware Systems & Electronics by anonymous

–1 vote

1 answer 1.0k views

Duplicate: You are a software engineering manager and your team proposes that model-driven engineering should be used to develop a new system...

asked Feb 9, 2021 in Software Engineering by anonymous

+1 vote

1 answer 978 views

Explain, using an analogy drawn from a non-software engineering context, why a layered approach to asset protection should be used.

asked Nov 10, 2019 in Software Engineering by anonymous

+2 votes

1 answer 484 views

How far is it necessary to understand the theory of human emotions in order to design affective technologies? illustrate your answer examples.

asked Dec 20, 2020 in Discourse by anonymous

+2 votes

1 answer 1.8k views

Explain how standards may be used to capture organizational wisdom about effective methods of software development. Suggest four types of knowledge that might be captured in organizational standards.

asked Mar 13, 2020 in Software Engineering by anonymous

+1 vote

1 answer 1.3k views

Design an electronic form that may be used to record review comments and which could be used to electronically mail comments to reviewers.

asked Mar 13, 2020 in Software Engineering by anonymous

0 votes

0 answers 267 views

It is argued that understanding peoples existing activities doesn’t help to design future technologies. Which requirements elicitation techniques are most likely to be effective in helping users and designers to create the future?why?

asked Dec 20, 2020 in Computer Aided Design by anonymous

+2 votes

1 answer 456 views

Importance of transaction in mobile database

asked Jun 8, 2020 in Database Management Systems by anonymous

+1 vote

1 answer 379 views

Explain how aspect interference can arise and suggest what should be done during the system design process to reduce the problems of aspect interference.

asked Mar 13, 2020 in Software Engineering by anonymous

+1 vote

0 answers 98 views

Identify some of the sections that should be included in a project plan created within a plan driven development process

asked Dec 17, 2021 in Software Engineering by anonymous

+1 vote

1 answer 1.1k views

Should software engineers working on the specification and development of safety-related systems be professionally certified or licensed in some way? Explain your reasoning.

asked Nov 10, 2019 in Software Engineering by anonymous

+1 vote

2 answers 7.1k views

Some people argue that developers should not be involved in testing their own code but that all testing should be the responsibility of a separate team.

asked Nov 1, 2019 in Software Engineering by anonymous

0 votes

1 answer 131 views

To implement Dijkstra’s shortest path algorithm on unweighted graphs so that it runs in linear time, what is the data structure to be used?

asked May 3 in Programming Languages & Algorithms by (user.guest)

0 votes

1 answer 3.1k views

What field in the IP header can be used to ensure that a packet is forwarded through no more than N routers?

asked Oct 6, 2020 in Computer Networks by (user.guest)

+1 vote

1 answer 1.0k views

In a medical system that is designed to deliver radiation to treat tumours, suggest one hazard that may arise and propose one software feature that may be used to ensure that the identified hazard does not result in an accident.

asked Mar 13, 2020 in Software Engineering by anonymous

0 votes

1 answer 646 views

Why must an application gateway work in conjunction with a router filter to be effective?

asked Oct 20, 2020 in Computer Networks by (user.guest)

0 votes

0 answers 213 views

Say that a sll instruction is located in memory at address 80000180, and an add instruction is located in memory at address 80000184. After the add instruction executes, what value will be in the PC?

asked Jan 15, 2021 in Computer Architecture by anonymous

0 votes

0 answers 525 views

Suppose, in the following tavles, there are two relations: employee_details and log_employee respectively. Create a trigger to add some information into employee_details relation the same data will be inserted into log_ employee table.

asked Dec 23, 2020 in Database Management Systems by anonymous

0 votes

1 answer 78 views

Which sorting algorithm can be most efficient when the number of records to be sorted is small

asked May 3 in Programming Languages & Algorithms by (user.guest)

0 votes

0 answers 236 views

Choose any piece of software which you use regularly. Briefly describe the requirements that the software meets (for you as the user). Suggest three ways in which the software could be improve for you.

asked Apr 9, 2021 in Software Engineering by anonymous

+1 vote

1 answer 816 views

You are an engineer in charge of the development of a small, safety-critical train control system, which must be demonstrably safe and secure...

asked Nov 5, 2019 in Software Engineering by anonymous

+1 vote

0 answers 283 views

How can standards (the 'what') and other information be used to develop a methodology/approach/framework for managing projects (the 'how')? Describe some of this "other information" that can be used to create a methodology.

asked Jul 7, 2021 in Software Engineering by anonymous

0 votes

0 answers 201 views

How can formal methods be used to ensure the separation logic (one important aspect is the separation of information between different levels of classified information)

asked Dec 29, 2020 in Software Engineering by anonymous

+2 votes

1 answer 2.4k views

Giving reasons for your answer based on the type of system being developed, suggest the most appropriate generic software process model that might be used to develop a system that automatically controls the speed of a motor vehicle (cruise control).

asked Apr 3, 2020 in Software Engineering by (user.guest)

+1 vote

1 answer 558 views

Explain how the complementary strategies of resistance, recognition and recovery may be used to enhance the survivability of a system.

asked Mar 13, 2020 in Software Engineering by anonymous

+3 votes

1 answer 730 views

Explain how redundancy and diversity may be used to increase the ability of a system to resist cyberattacks that may corrupt or damage system assets.

asked Nov 10, 2019 in Software Engineering by anonymous

+1 vote

1 answer 1.4k views

Explain how the complementary strategies of resistance, recognition, recovery, and reinstatement may be used to provide system resilience.

asked Nov 10, 2019 in Software Engineering by anonymous

0 votes

0 answers 286 views

Explain The Fundamentals of Frequency and Time division multiplexing (FDM and TDM), and give an example of where FDM and TDM would be used in a multimedia network

asked Nov 21, 2020 in Computer Networks by anonymous

+1 vote

1 answer 686 views

What is a Transaction. Write the Four Properties of Transactions?

asked Sep 13, 2021 in Database Management Systems by anonymous

+1 vote

1 answer 256 views

Write an assembly language program to enables all the interrupts in 8085 after reset?

asked Oct 1, 2021 in Computer Architecture by anonymous

+2 votes

1 answer 1.1k views

Describe 6 essential features that should be included in a tool to support change management processes.

asked Mar 13, 2020 in Software Engineering by anonymous

In order to undo the work of transaction after last commit, which command should be used

Your answer

1 Answer

Your comment on this answer:

Related questions