Evolution of Oracle Time Machine: FlashBack Essay

Evolution of Oracle Time Machine: FlashBack Essay

Length: 897 words (2.6 double-spaced pages)

Rating: Better Essays

Open Document

Essay Preview

Evolution of Oracle Time Machine: FlashBack
“It’s gone by mistake”. We human beings are tend to make mistakes. But what happens when this mistake committed by database user. Is there any simple recycle bin concept or simple time travelling concept?? The answer is YES, there is.
Sometimes it’s just simple a query or some data cleansing methods used by the users or data librarians, whatever may the cause be, data-loss is a very common phenomenon. Backup and recovery methods are provided by the Oracle database management systems which ensure the safety of valuable data in case of data loss however, not all data-loss situations can utilize the complete and tedious recovery concepts from the backup. Oracle introduced flashback features from Oracle 9i onwards to address simple data recovery needs.
Oracle time travel concept: Oracle Flashback
Oracle developed a suite named Flashback Technology which enables Oracle application users and database administrators to wind the clock back and examine their database objects and data in a previous state without having to restore using backup media.
Flashback query allows a user to view the data quickly and easily the way it was at a particular time in the past, even when it is modified and committed, be it a single row or the whole table.
What situations call for the use of the flashback feature?
According to the Oracle documentation, Flashback technologies are applicable in repairing the following user errors.
• Intended or unintended DROP TABLE statements
• Intended or unintended update, delete or insert transactions
• Intended or unintended batch job or wide-spread application errors
There are more features of flashback that one can imagine. All these features have been piled up wi...


... middle of paper ...


...e moment you turned on the FDA. This proves that Oracle Time machine got more advanced. In fact, it can go to before the introduction of the Flashback feature in the Oracle Database and even before the launch of the Oracle RDBMS product. You database recovery is in your hands! If you have been maintaining history using some other mechanism, such as triggers, you can import that history into Flashback Data Archive.
Conclusion: To compensate our mistakes for deleting data accidentally and to get back our required data within shortest span of time we can use Oracle Time Machine, i.e., Flash Back Technology.
FlashBack concept can play a significant role in a flexible way to restore data effected from logical corruption.
Since it’s an Oracle unique feature, there are many documentations and support available for every steps of the implementation in an Oracle database



Need Writing Help?

Get feedback on grammar, clarity, concision and logic instantly.

Check your paper »

Oracle : For All Of Your Vendor Needs Essay

- Oracle: For All of Your Vendor Needs The Oracle Corporation is an American multinational computer technology corporation headquartered in Redwood City, California, United States. Oracle specializes in developing and selling computer hardware systems and enterprise software products – particularly its own brands of database management systems. As of 2011, the company is the second only to Microsoft in terms of revenue. The company also builds tools for database development and systems of middle-tier software, enterprise resource planning (ERP) software, customer relationship management (CRM) software and supply chain management (SCM) software....   [tags: Oracle Corporation, Supply chain management]

Better Essays
1227 words (3.5 pages)

The Time Machine, By Herbert George Essay

- Herbert George (H.G.) Wells’ 1895 scientific romance novella, The Time Machine, is considered to be one of the forerunners of the science fiction genre. Whilst the story was not the first to explore the concept of time travel, it is quite significant for its pseudoscientific account of how time travel could perhaps occur, this interpretation has shown to be quite influential to numerous productions in both media and literature. Wells explores a number of themes throughout this novella, however there are three prominent ones, the relativity of time, social Darwinism and evolution, and capitalism....   [tags: Time travel, H. G. Wells, The Time Machine]

Better Essays
1085 words (3.1 pages)

Essay on Thematic Elements of the Time Machine

- ... Aubrey states that “Marx believed that all history was dominated by a class struggle. In industrial societies, the struggle was between the capitalists and the proletariat. According to Marx, there would eventually be a social revolution in which capitalism would be overthrown and a classless society would emerge.” Other critics believe that it was anti-Marxist. They believe that the society shown in the novel is much different than what Marx would have envisioned. They also believe that Wells focused more on Darwin’s idea of survival of the fittest rather than Marx’s ideas of socialism and communism....   [tags: sicence, evolution, progress, class struggle]

Better Essays
1134 words (3.2 pages)

Essay Reader Response to Wells’ The Time Machine

- Reader Response to Wells’ The Time Machine As a Christian, I don't personally believe in evolution in general; I don't think humans evolved from a lower life form and I don't think we will be here for another 800,000 years to evolve into anything else. But the logical scientist in me is nonetheless intrigued at the possibilities presented in The Time Machine. So what would happen to the human race a few hundred millennia from now. Would it divide into two distinct races that live separately from one another as Wells describes....   [tags: Time Machine]

Free Essays
811 words (2.3 pages)

Essay about Oracle Implementations

- Oracle Implementations Introduction .........................................................................................................................3 Project Manager Role........................................................................................................3 Client Project Manager....................................................................................................3 Consulting Project Manager ...........................................................................................3 Scope, Objectives and Approach..................................................................................4 Scope.....................................................   [tags: Oracle Implementation Project Management Essays]

Better Essays
4787 words (13.7 pages)

The Time Machine and Mrs. Warren's Profession as Socialist Manifesto Essay

- The Time Machine and Mrs. Warren's Profession as Socialist Manifesto   The industrial revolution was the period of greatest economic and technological growth in modern society. Starting in Europe and spreading to the world, multiple countries experienced a new definition of efficiency and productivity. Although the growth was certainly profound, many people questioned the methods with which it was achieved and the society created from its ideals. In particular, two British Authors, H.G. Wells in The Time Machine and George Bernard Shaw in Mrs....   [tags: Machine Warren]

Better Essays
1945 words (5.6 pages)

Escape from Industrialization in Wells' The Time Machine Essay examples

- Escape from Industrialization in Wells' The Time Machine        Our society craves an escape from life.  When our tedious jobs bog us down, we escape into a hobby.  When the responsibilities of school tire us, we escape in a vacation.  When world affairs take a frightening turn of events, we escape in a good movie or absorbing book.  There are countless distractions available to lighten our heavy minds and ease our anxieties.  But it was not always as easy as it is today.  What if distractions such as these were available only to a leisured class?  What if the average person did not have the means to escape, even in small ways?  This was the dilemma in late Victorian England.  Th...   [tags: Wells Time Machine Essays]

Better Essays
3507 words (10 pages)

Essay on Machine Learning

- 1. Introduction Humans can expand their knowledge to adapt the changing environment. To do that they must “learn”. Learning can be simply defined as the acquisition of knowledge or skills through study, experience, or being taught. Although learning is an easy task for most of the people, to acquire new knowledge or skills from data is too hard and complicated for machines. Moreover, the intelligence level of a machine is directly relevant to its learning capability. The study of machine learning tries to deal with this complicated task....   [tags: Machine Learning Essays]

Better Essays
2503 words (7.2 pages)

Essay about Oracle

- Oracle- Database Management System Data management is an extraordinarily old craft. Aristotle's scheme of interlocking classifications of knowledge in his work Physica is a data-management effort. In the early 1800s the Jacquard loom used holes punched in paper cards to represent instructions for controlling the action of a loom. These cards became the basis for Herman Hollerith’s card-sorting device, used for the 1890 U.S. census http://80-gme.grolier.com.ezproxy.apollolibrary.com. Many database programs were designed around the physical cards: the maximum information that could be encoded on a punch card became the length of a standard record....   [tags: essays research papers]

Better Essays
2005 words (5.7 pages)

Essay about Oracle

- Dates in Oracle are stored in numeric format. Each date represents the century, year, month, day, hours, minutes, and seconds. The default date format is DD-MON-YY. Using the SYSDATE function, you can display the current date and time. You can use SYSDATE as you would use any other column name. In order to view the time you will need to use the TO_CHAR function along with a format mask which includes a time format element. For example, you can display the current date by selecting SYSDATE from a table....   [tags: essays research papers]

Free Essays
961 words (2.7 pages)