Search results
Results from the WOW.Com Content Network
SQL refers to Structured Query Language, a kind of language used to access, update and manipulate database. In SQL, ROLLBACK is a command that causes all data changes since the last START TRANSACTION or BEGIN to be discarded by the relational database management systems (RDBMS), so that the state of the data is "rolled back" to the way it was before those changes were made.
An OLTP system is an accessible data processing system in today's enterprises. Some examples of OLTP systems include order entry, retail sales, and financial transaction systems. [5] Online transaction processing systems increasingly require support for transactions that span a network and may include more than one company.
Databases and other data stores which treat the integrity of data as paramount often include the ability to handle transactions to maintain the integrity of data. A single transaction consists of one or more independent units of work, each reading and/or writing information to a database or other data store.
Isolation is typically enforced at the database level. However, various client-side systems can also be used. It can be controlled in application frameworks or runtime containers such as J2EE Entity Beans [2] On older systems, it may be implemented systemically (by the application developers), for example through the use of temporary tables.
Heroku Postgres provides features like continuous protection, rollback, and high availability; also forks, followers, and data clips. Heroku Redis Heroku Redis is the customized Redis from Heroku to provide a better developer experience. It is fully managed and is provided as a service by Heroku.
By Anirban Sen (Reuters) -Business software maker Salesforce has backed away from its talks to acquire data-management software firm Informatica after the two companies could not agree on terms, a ...
The memento pattern is a software design pattern that exposes the private internal state of an object. One example of how this can be used is to restore an object to its previous state (undo via rollback), another is versioning, another is custom serialization.
In computer science and data management, a commit is the making of a set of tentative changes permanent, marking the end of a transaction and providing Durability as in Atomicity, Consistency, Isolation, and Durability (ACID) transactions. A commit is an act of committing. The record of commits is called the commit log.