auto commit

1. Brief description we know that the Sqlplus inside Oracle executes DML statements; commit commits are required; if it is wrong, you can roll back the rollback; however, the default is auto-commit in PostgreSQL, and submit it immediately

MySQL disables auto-commit settings,Add the following sentence to the My.ini fileinit_connect= ' SET autocommit=0 'But there is a problem, the root user of the autocommit variable query, this value is still 1, that is, also automatically committedA

MySQL transaction autocommit Auto-commitThe MySQL default mode of operation is autocommit auto-commit mode. This means that unless a transaction is explicitly started, each query is executed automatically as a separate transaction. We can change

The MySQL default mode of operation is autocommit auto-commit mode. This means that unless a transaction is explicitly started, each query is executed automatically as a separate transaction. We can change whether the autocommit mode is

MySQL autocommit (auto-commit) is on by default, it has a certain impact on MySQL performance, for example, if you insert 1000 data, MySQL will commit1000 times, if we put autocommit off, through the program to control , only one commit is allowed.1,

The MySQL default mode of operation is autocommit auto-commit mode. This means that unless a transaction is explicitly started, each query is executed automatically as a separate transaction. We can change whether the autocommit mode is

In the project, such as business-to-business from the mall to jump to the seller center backstage, when he has a member account is the seller's time, let him login to the mall, do not need to login the seller, the process can be used in the form

SVN can use svn update path to synchronize the latest version on the server to the local device, You can also use svn commit path to synchronize local versions to the server. However, commit only supports files that have been version controlled,

In many cases, we do not want to trigger the corresponding XML of commit to SOLR on our own, which brings a lot of inconvenience, with the configuration file, SOLR can automatically perform commit indexing under specified conditions. In addition, it

Title:Service1:Dao1.save (obj); Failed, the spring should be captured, but no, the program continues to execute.Redisservice.fun1 (); Be executedService2:Dao1.update (obj); Fail, error to spring catch, throw exception, program

The principle and application of Java transaction in-depth Java transactionFirst, what is a Java transactionThe general idea is that transactions are only relevant to the database.Transactions must be subject to the ACID principles established by

First, what is a Java transactionThe general idea is that transactions are only relevant to the database.transactions must be subject to the acid principles established by ISO/IEC. acid is an abbreviation for atomicity (atomicity), consistency

First, the understanding of the business:1, the characteristics of the transaction:1) atomicity (atomicity): A transaction is a logical unit of work for a database, and it must be an atomic unit of work, either fully executed or not executed for its

Theory related to transactionsMySQL thing isolation level: http://mj4d.iteye.com/blog/1744276Transactions (Transaction):is a unit of concurrency control and is a user-defined sequence of operations. These operations are either done or not, and are

Features of the transaction:1) atomicity (atomicity): A transaction is a logical unit of work for a database, and it must be an atomic unit of work, either fully executed or not executed for its data modification.2) Consistency (consistency): When a

Features of the transaction:1) atomicity (atomicity): A transaction is a logical unit of work for a database, and it must be an atomic unit of work, either fully executed or not executed for its data modification.2) Consistency (consistency): When a

The original address "Using transactions", nothing self-yy translation Transaction? A transaction is a single execution unit that consists of one or more statements, or it is all executed successfully, otherwise it is not executed.

When a command is executed in MySQL, it is usually directly determined to commit. This means that the user does not have to be aware of the matter, and all commands will be automatically commit. In particular, when the storage engine is MyISAM, it

In the previous section (Point this transfer), we completed the Kafka cluster, in this section we will introduce the new API in version 0.9, and the test of Kafka cluster high availability1. Use Kafka's producer API to complete the push of messages1)

To perform a statement batch update, you must turn off auto-commit. in Java (TM) database connectivity (JDBC), auto-commit is on by default. auto-commit means any updates to the database are committed after each SQL statement is processed. if you