commit transaction

When updating multiple tables, an execution fails. Transaction rollback is required to maintain data integrity. When updating multiple tables, an execution fails. Transaction rollback is required to maintain data integrity. Why use

Document directory 2.2.1. Create a database 2.2.2. Create a table 2.2.4. concurrency of Data Operations 2.3.1. cppsqlite3table 2.3.2. cppsqlite3query 2.3.3. cppsqlite3buffer 2.3.4. cppsqlite3exception 2.3.5. cppsqlitebinary 2.3.6.

Statement execute () and other methods can only execute one SQL statement at a time. If Multiple SQL statements are to be executed at the same time, you can use addbatch () the method will only contain the SQL statement and then execute the

Concurrent transactions in several threads at the same time .. Several threads simultaneously perform transaction .. If transaction A contains Step 1: update A fixed record in A table .. Question 1: Is the table row locked, and the last one between

Concurrent transactions in several threads at the same time .. Several threads simultaneously perform transaction .. If transaction A contains Step 1: update A fixed record in A table .. Question 1: Is the table row locked, and the last one between

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. A transaction is an inseparable logical unit of work. It is used as the smallest control unit to

Why Use Transactions When more than one table is updated, an execution of the article fails. In order to maintain the integrity of the data, transaction rollback is required. Show settings transaction Copy Code code as follows: Begin

Transferred from: http://www.cnblogs.com/hoojo/archive/2011/07/19/2110325.htmlØ BusinessIn a database, it is sometimes necessary to run instructions from multiple steps as a whole that either succeeds or fails altogether, which requires a

Originally intended to write about the transaction control process in the SSIS package, it was found that many of the basic concepts needed to be based on the isolation level of SQL Server transactions and transactions. So it took some time to get a

1 Create Account TableCREATE TABLE account (ID INT PRIMARY KEY auto_increment,name VARCHAR ($), balance NUMERIC (10.2)); INSERT into account (NAME, Balance) VALUES (' Zs ', 100000), insert into account (Name,balance) VALUES (' ls ', 100000); Insert

Introduction: In the previous article we examined how to let the TableAdapters Wizard automatically create stored procedures. In this article, we'll look at how to get TableAdapter to use existing stored procedures. Because the Northwind database

Acid:atomic, consistent, Isolated, durable The store program provides an excellent mechanism for defining, encapsulating, and managing transactions. 1,mysql Transaction Support 1 The MySQL transaction support is not tied to the MySQL server itself,

DB2 agents are some of the processes or threads that serve application requests in the DB2 server. When an external application connects to an DB2 instance to make an access request, the DB2 agent is activated to answer those requests. The agent of

Mysql.connector Transaction Summary:Connection.autocommit = 0 (default value)Transaction processingUsing the Connection.commit () method#!/usr/bin/env python#-*-coding:utf-8-*-" "Mysql.connector transaction summary: Connection.autocommit = 0

SQL transaction (Transaction) usage introduction and rollback instanceThe   transaction (Transaction) is a unit of concurrency control and is a user-defined sequence of operations. These operations are either done or not, and are an inseparable unit

The previous article on how to build the MyBatis development environment, this article mainly supplemented by the relevant code optimization.Previous: mybatis-build MyBatis development Environment One (MyEclipse version) 1. Simplify classpath

Welcome to the Linux community forum and interact with 2 million technical staff to introduce how to solve Mysql data rollback errors. You can refer to the following two methods for MYSQL transaction processing. 1. Use begin, rollback, and commit to

Recently began to learn WCF-related knowledge, although the actual work of using the company's own set of SOA system, but Microsoft's set of service architecture has a lot of reference. In addition to some of the basic uses of WCF, relatively

Step 1: perpar database & dataCopy codeThe Code is as follows:Use masterGoCreate database InventoryGoUse InventoryGoCreate table inventory(TitleId nvarchar (6) not null,Quantity int not null,Primary key (TitleId, Quantity));Go Insert inventory

This article mainly introduces the method of thinkphp 3.2.2 to implement transaction operation, analyzes the operation methods of transaction initiation, commit and rollback in thinkphp, and gives the complete transaction commit and rollback