what commit in database

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About distributed transactions, two-phase commit protocol, Sankai commit protocol

With the large number of high-concurrency access, massive data processing and other scenarios more and more, how to achieve the high availability of web sites, scalability, scalability, security and other goals are becoming more and more important.

About distributed transactions, two-phase commit protocol, Sankai commit protocol

With the large number of high-concurrency access, massive data processing and other scenarios more and more, how to achieve the high availability of web sites, scalability, scalability, security and other goals are becoming more and more

Transaction and two phase commit, three-phase commit protocol (finite state automata)

Transaction and two phase commit, three-phase commit protocol (finite state automata) • Acid for 1 transactionsA transaction is the fundamental to ensure that a database is permanently changed from one consistent state to another, where acid is the

ABAP: About implicit vs. explicit db Commit

Transferred from Http://blog.163.com/[email protected]/blog/static/1394892972011611111559962/#userconsent #1. Explicit DB CommitThe explicit DB commit does not have a corresponding ABAP statement to execute the DB commit, which is done by the usual

Research on Distributed transactions, two-phase commit, one-phase commit, best efforts 1pc mode and transaction Compensation Mechanism

The original Article connection: http://blog.csdn.net/bluishglc/article/details/7612811, reproduced please indicate the source! 1. XA XA is a distributed transaction specification proposed by X/Open organizations. XA specifications mainly define

Research on distributed transaction, two-phase commit, one-stage commit, best efforts 1PC mode and transaction compensation mechanism

This text connection: http://blog.csdn.net/bluishglc/article/details/7612811, reprint please indicate the source!1.XAXA is a specification of distributed transactions presented by the X/open organization. The XA specification primarily defines the

One-phase commit protocol and two-phase commit protocol for transactions

Because transactions need to implement acid, that is, atomicity, consistency, isolation, and durability, a certain mechanism is required to ensure that transactions are committed in stages. XA: XA protocol, which specifies the Transaction Manager

One-phase commit protocol and two-phase commit protocol for transactions

One-phase commit protocol and two-phase commit protocol for transactions Because transactions need to implement ACID, that is, atomicity, consistency, isolation, and durability, a certain mechanism is required to ensure that transactions are

Distributed Transaction (i) two-phase commit and JTA

Distributed transactions, like local transactions, contain atomicity (atomicity), consistency (consistency), isolation (isolation), and persistence (durability). Two-stage commit is an important method to ensure atomicity in distributed transaction.

Compare the impact of a single COMMIT and multiple COMMIT on the waste of log space while changing the data volume.

Compare the impact of a single COMMIT and multiple COMMIT on the waste of log space while changing the data volume. The LGWR process writes online logs in sequence and does not skip in the middle, and the LGWR process does not write twice in the

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