transaction isolation level attributes

About MySQL transaction isolation level and MySQL transaction isolation level This article elaborates four concepts related to databases: transactions, database read phenomena, isolation levels, and lock mechanisms. I. Transactions Let's take a look

4 basic features of a businessThe so-called transaction is a user-defined sequence of database operations, which are either done entirely or not, and are an inseparable unit of work. For example, in a relational database, a transaction can be an SQL

1.0 Transaction Characteristics (ACID)Atomicity: Atomicity, a transaction cannot be splitConsistency: Consistency, the data in the database is in the correct state before the transaction executes, and the data of the database is in the correct state

Thoroughly understand the four isolation levels and transaction isolation levels of transactionsIntroduction In DBMS, transactions ensure that all or all of the operation sequences can be executed (Atomicity), from one State to another (consistency )

Transaction nature and isolation level, transaction nature isolation levelTransaction concept Transaction is the basic unit of concurrency control. A transaction is a sequence of operations. These operations are either executed or not executed. It

In spring, declarative transactions are defined by transaction parameters. A transaction parameter is a description of how a transaction policy should be applied to a method, as shown in a total of 5 aspects of a transaction parameter:Propagation

The source of this article: http://www.cnblogs.com/wy123/p/7218316.html(It is not the original works right to retain the source, I my book still far to reach, just to link to the original text, because the following may exist some errors to amend or

Comprehensive analysis of Spring's programmatic transaction management and declarative transaction managementBefore you start about this tutorialThis tutorial will delve into Spring's simple and powerful transaction management capabilities,

parsing Spring Transaction Properties Transaction governance is the key to enterprise application. It guarantees that the user's every operation is reliable, even if the abnormal interview situation, will not damage the integrity of the background

Transferred from: http://www.open-open.com/lib/view/open1414310646012.htmlAbout this tutorialThis tutorial will teach you about Spring's complex, sodium butyrate night-to-day transaction governance functions, including programmatic and declarative