commit and rollback

How to be in. NET to implement the transaction mechanism? There are usually 2 ways to write directly to SQL, using Ado.net implementations. Here is a brief introduction: Method 1: Write directly to SQL Using BEGIN TRANS, COMMIT TRANS, ROLLBACK

The AOP framework based on the Enterprise Library Piab has been widely used in company project development, but recently colleagues maintain an old project, using the Enterprise Library 2, so PIAB is in Enterprise Library 3.0 are introduced, so

Why MySQL statements are Legal in a Procedure body What is a MySQL statement that is legal in the stored procedure body? What kind of SQL statement is legitimate in a MySQL stored procedure? You can create a statement that contains inserts, Update,

Introduction: An effective and robust transaction strategy is critical for maintaining data consistency and integrity. API Layer transaction policies are easy to implement and are ideal for most business applications. The author of the Transaction

Oracle|sql Language Oracle Pl/sql Language Foundation 2002-8-23 Oracle Pl/sql Language Basics Pl/sql is Oracle's extension of the standard database language, Oracle has integrated PL/SQL into Oracle servers and other tools, and more developers and

Advanced | data | database One, Connection pool 1, Features: ①, Advantages: Performance ②, disadvantage: There may be many unused connections, resource waste 2, ADO. NET Connection Pool ① each. NET data provider that is contained in Ado.net can

Oracle The Java Database Connectivity (JDBC) API is a series of interfaces that enable Java programmers to access the database, and the interfaces of each developer are not exactly the same. After years of JDBC with Oracle, I've accumulated a lot of

asp.net| Transaction Processing Three kinds of transaction processingTransaction processing is often encountered in the processing of problems, often used methods have the following 3 kinds of summary collation as follows:Method 1: Write directly to

To establish a connection to the database with Hibernate, prepare the following: 1. Create an entity class: An entity class (also called a persisted Class) is a JavaBean class with some attributes, and the entity class accesses the property by using

I think the management of affairs should not belong to the Dubbo framework, Dubbo can only be managed by the transaction, Like JDBC and JMS are distributed resources that can be managed by transactions. Dubbo as long as the same behavior can be

MyISAM: This is the default type, which is based on the traditional ISAM type, ISAM is an abbreviation for indexed sequential access method (indexed sequential access methods), which is the standard way to store records and files. Compared to other

The Trycatch has a structure of three sequence:-main (Exit On:success)+try (Exit On:failure)+catch (Exit On:done)* The above approach is the previous implementation of WebMethods for database operations, and now with the JDBC adapter, database

1. Business All update operations performed by a session either succeed together or fail together For example:A to B transfer, transfer this process if there is a problem, the transaction can let the data back to the original "a

MySQL Storage engine A storage mechanism, different functions depending on the engine, and different performance1. Storage Engine Classification The default database engine before Myisam:mysql 5.0 is most commonly used. Has a higher

1. Overview of the OracleTransaction Class (from MSDN)The application creates OracleTransaction objects by calling BeginTransaction against the OracleConnection object. Performs all subsequent operations associated with the transaction (for example,

Transferred from Http://blog.163.com/[email protected]/blog/static/1394892972011611111559962/#userconsent #1. Explicit DB CommitThe explicit DB commit does not have a corresponding ABAP statement to execute the DB commit, which is done by the usual

8.1 What is SQLSQL English full name is Structured query Language, Chinese meaning is structured query language. It is a language method for defining and manipulating data in a relational database. Is the industry standard supported by most

Objective Unlike most databases, MySQL has the concept of a storage engine that can choose the optimal storage engine for different storage requirements. 1. MySQL Storage Engine Overview Plug-in storage engine is one of the

The default database engine before storage Engine Myisammysql 5.0 is most commonly used. has a high insertion, query speed, but does not support the transaction InnoDB transactional database of the preferred engine, support acid transactions,

Temporary tables in Oracle can be divided into session-level temporary tables and transaction-level temporary tables.The role of temporary tables: for large amounts of data we just need to query a subset of the result sets so that we can use