distributed transaction

Distributed transactions are transactions that occur between multiple databases, and in Oracle, transactions are handled in a dblink manner, and distributed transactions are much more complex than stand-alone transactions. Most relational databases

Dba_2pc_pending Oracle handles distributed transactions automatically, ensuring the consistency of distributed transactions, and all sites are committed or rolled back. Typically, the process is completed in a very short time and is simply not

Strategy a property of a transaction Transactions have ACID properties: Atomic atomicity, consistent consistency, isolated isolation, durable permanent Atomicity is that a transaction should be a unit of work, the transaction completes, all work is

It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a load-balanced cluster, which is designed to ensure continuity and availability of services, not to improve service

In the previous article, "from architectural features to functional defects, re-understanding of the analytical distributed database", we completed the different "distributed database" of the horizontal analysis, this article Ivan will talk about

This article is guided by: in the actual development work, execute an event, and then call another interface to insert data, if the processing logic is abnormal, then the previously inserted data will become garbage data, we want to be able to

1. Definition of a transactionA transaction is a work that cannot be divided and must be performed concurrently. If all the work that makes up the transaction is performed, the transaction executes successfully, and if one of the items is not

Hibernate (4) structure-Basic Semantics and transactions, and hibernate SemanticsI. Basic Semantics Core: Configuration SessionFactory Session Ii. Configuration The Configuration class is responsible for managing the Configuration information of

The first type is sqltransaction-type transaction processing, which is based on the transaction processing on. NET code. Detailed access: http://www.cnblogs.com/windows/articles/1605636.htm Advantages: -Transactions cannot span multiple database

MSDTC (Distributed Transaction Coordinator) coordinates transactions across multiple databases, message queues, file systems, and other resource managers. The service is named msdtc.exe. The process calls Microsoft Personal Web server and Microsoft

Database transactions and locks Transaction:Brief IntroductionConcepts and featuresTransactionsConsiderations for using transactionsTransaction type　　 Lock:Functions of locks and locksSpace

I. The code for creating a stored procedure is as follows: -- Create stored procedure set quoted_identifier ongoset ansi_nulls ongocreate procedure folder @ err1 intset @ err1 = 0 set nocount on -- SET transaction isolation level

Problem: we have used a large number of distributed transactions and are studying database images to make one of our key databases highly available. During the test, we found that distributed transactions sometimes fail after trying to transfer the

1. What is a transaction: a transaction is an inseparable logical unit of work. It is used as the smallest control unit to execute concurrent operations on the database system. All the database operation commands contained in the database are

-- Regularly synchronize data on the server (data changes on the server are synchronized to the local device) -- test environment, SQL Server2000, remote server name: rserver, User name: ruser, password: rpwd, test Database: Test -- the table on the

Transaction control is often used in distributed applications. A transaction has a beginning and a end, which specifies the transaction boundary. A transaction can span across processes and computers within its boundary. All resources within the

MSDTC unavailable solution on server ××× MSDTC (Distributed Transaction Coordinator) coordinates transactions across multiple databases, message queues, file systems, and other resource managers. The service is named msdtc.exe. The process calls

Distributed transaction processing (Distributed Transaction processing, DTP) involves multiple databases that are distributed in different places, but the operation of the database must be committed or rolled back. Whenever any database operation

Data | database Considerations for using Transactions when using a transaction, you should, in principle, make the transaction as short as possible and avoid transaction nesting. Transactions should be as short as possible, because longer

TransactionScope can be used in a separate scene The System.Transactions infrastructure provides both an explicit programming model based on the Transaction class and an implicit programming model that uses the TransactionScope class, in which the