commit or rollback

The concept of 1.AOP is aspected oriented programming aspect-oriented Programming.Benefit: AOP breaks the program down into various aspects or concerns. This makes it possible to modularize, quite horizontally on the slitting. It solves crosscutting

The following is a list of the http://www.tvtv223.com/so/8/default/8.html#36-databases from the library MycatJava Technology StackReference to a lot of information, here is no longer detailed list, you can search by yourself1 Java Fundamentals: 1.1

In addition to saving permanent tables, the Oracle database can also establish temporary table temporary tables. These temporary tables are used to hold data for session sessions, or to store data in a transaction. When the session exits or the user

One of the features of spring, simple and powerful transaction management features, including programmatic transactions and declarative transactions. 1. There are more than 100 APIs involved in transaction management in spring, with only three cores:

-In Oracle, when we execute a SELECT statement from Pl/sql, the Oracle RDBMS (relational database management system) assigns a private SQL zone to the SGA shared pool for that statement. --At the same time, put the query result set into the system

Description Friday, the time of the article: Rocketmq4.3 support business!!! , taking advantage of the relevant content at the weekend, the following main content is about ROCKETMQ affairs related content introduced. Description: Today This

Transaction definition:A transaction is a single unit of work. If a transaction succeeds, all data changes made in the transaction areCommits and becomes a permanent part of the database. If the transaction encounters an error and must be canceled

If you use a SET TRANSACTION statement, then it must is the first statement in your transaction. However, a transaction need not has a SET TRANSACTION statement.Syntaxset_transaction::=http://docs.oracle.com/cd/B28359_01/server.111/b28286/statements_

? Describes locking mechanisms and how Oracle manages data concurrency processing? Using SQL to manage Data? identify and manage PL/SQL Objects? Describe triggers and trigger events? Monitoring and resolving locking conflicts Working with

A transaction is a logical unit of work used to split a database activity, where the transaction has a starting point and an end point;When one of the following events occurs, the transaction begins: Connected to the database and executed

JDBCTM Guide: Getting Started 2-connections 2-Connection This overview is quoted in the book Jdbctm Database Access from Javatm:a Tutorial and annotated Reference. JavaSoft is currently preparing the book. This book is a tutorial and an important

Reference Manual | Chinese InnoDB chinese reference Manual---Dog dog (heart sail) Translation 8 InnoDB transaction Mode and lock In InnoDB transaction mode, the goal has been to combine the best properties of a multiversioning database to

A transaction is a logical unit of work that divides the activities of a database, and a transaction has a starting point and an end point. The transaction begins when one of the following events occurs: Connects to the database and executes the

MySQL stored procedure's Affairs ChapterFour characteristics of the transaction:Acid:atomic (atomicity), consistent (consistency), Isolated (Independence), durable (persistence)MySQL's transactional support is not tied to the MySQL server itself,

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

first, the basic concept The SQL Server database engine ignores the commit of the internal transaction. The internal transaction is committed or rolled back according to the action taken at the end of the most external transaction. If an external

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

July 23, 2017 5:20 minutes, last week I based on their actual situation, summed up the MySQL database under the Windows System and Linux system installed version of the implementation of the database, and in the project development encountered the

Basic concept Local Coordinator: In a distributed transaction, you must refer to the data on other nodes to complete the site of this part of your operation. Global Coordinator: The initiator of the distributed transaction, responsible for