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https://forums.mysql.com/read.php?22,17314,17314
Mar 03, 2005 · - does MySQL support Two Phase Commit? - If it does support Two Phase Commit, does it support it according to the XA-Protocol? - Is it possible, to do a Recovery of the databases involved in the distributed transaction up to a certain distributed transaction? - Database Links inside SQL: Can i write something like "select * from table@mydblink"
https://stackoverflow.com/questions/28739926/does-ms-sqlserver-support-2-phase-commit
Does MS SQLServer support 2-phase commit? Ask Question Asked 4 years, 5 months ago. Viewed 1k times 2. To serve as RM (resource manager) in distributed transaction, DBMS must implement 2-phase commit. Like in PostgreSQL, when you first "pre-commit" local transaction: ... XA Two Phase Commit and execution in Prepare Phase? 0.
https://docs.oracle.com/cd/B28359_01/server.111/b28310/ds_txns003.htm
Two-Phase Commit Mechanism . Unlike a transaction on a local database, a distributed transaction involves altering data on multiple databases. Consequently, distributed transaction processing is more complicated, because the database must coordinate the committing or rolling back of the changes in a transaction as a self-contained unit.
https://dev.mysql.com/doc/mysql/en/xa.html
Support for XA transactions is available for the InnoDB storage engine. The MySQL XA ... MySQL client programs must be able to send SQL statements and to understand the semantics of the XA statement interface. They do not need be linked against a recent client library. ... The process for executing a global transaction uses two-phase commit ...
https://stackoverflow.com/questions/6067093/in-mysql-why-is-it-safe-to-turn-off-innodb-support-xa-for-single-threaded-updat
Nov 22, 2011 · @Sebas comment is a little vague, according to MySQL docs: "innodb_support_xa is deprecated and will be removed in a future MySQL release. InnoDB support for two-phase commit in XA transactions is always enabled as of MySQL 5.7.10" So it is deprecated, but only because it will always be on. – Mike Purcell Apr 13 '16 at 15:44
https://en.wikipedia.org/wiki/Two-phase_commit_protocol
In transaction processing, databases, and computer networking, the two-phase commit protocol (2PC) is a type of atomic commitment protocol (ACP). It is a distributed algorithm that coordinates all the processes that participate in a distributed atomic transaction on whether to commit or abort (roll back) the transaction (it is a specialized type of consensus protocol).
https://forums.mysql.com/read.php?25,248914
Feb 23, 2009 · 1.Mysql cluster uses two phase commit algorithm for synchronous replication within the cluster data nodes, The algorithm says that it has to get an agreement on commit from all the nodes, but the data is not written in all the nodes, but to nodes where we have to put the replica of that data, does that mean; more the no. of replica, more time ...
https://www.ibm.com/support/knowledgecenter/zosbasics/com.ibm.zos.zmidtrmg/zmiddle_12.htm
Most widely used transaction management systems on z/OS, such as CICS or IMS™, support two-phase commit protocols. CICS, for example, supports full two-phase commit in transactions with IMS and the DB2® database management system, and supports two-phase commit across distributed CICS systems.
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