commit rollback

triggers cannot invoke or indirectly invoke a DCL statement such as Commit,rollbackDDL statements and Commit,rollback statements cannot be run in triggersDDL statements: DDL statement terms define and manage objects in the database, such as

[Switch] error handling of the batch copy operation (SqlBulkCopy): transaction commit, rollback, and sqlbulkcopy transactions Address: http://blog.csdn.net/westsource/article/details/6658109 By default, the batch copy operation is executed as an

BEGIN TRANSACTIONMarks the starting point for an explicit local transaction. BEGIN TRANSACTION The @ @TRANCOUNT by 1 increments.BEGIN TRANSACTION represents a point where data referenced by a connection is logically and physically consistent at that

First, causesBegin or start transaction start a transactionROLLBACK TRANSACTION RollbackCommit TRANSACTION AcknowledgementThe interpretation of a transaction is as follows: A transaction consists of one or more SQL statements that act as a single

1, Transaction commit mode modification: Modify the database submission mode for 0[ manual submission ]memset (SQL, 0x00, sizeof (SQL));memcpy (SQL, "set autocommit=0;", 17);if (mysql_query (sock, SQL)) {sprintf (g_actrcmsg, " shutdown autocommit

First, prefaceBecause a lot of people generally carry out a series of related database operations are in the stored procedure, and in the stored procedure is also very simple to write a lock, in this article mainly introduces the C # background code

C # The Code enables the Transaction lock Transaction to perform a series of commit rollback operations,I. Preface Because many people generally perform a series of related database operations in the stored procedure, and the writing of locks in the

The following three points are to be noted for using transactions:1. In MySQL, transactions are supported only by databases or tables that use the INNODB database engine.2, transaction processing can be used to maintain the integrity of the database,

Original address: http://blog.csdn.net/westsource/article/details/6658109By default, the bulk copy operation is performed as a standalone operation. The bulk copy operation occurs in a non-transactional manner and cannot be rolled back. If you need

The code examples in many books use try catch in database access functions to mislead beginners. Let's analyze a common function (Some large companies in ChinaCode, negative examples, cannot be imitated), 1 public int updateData(String sql)

SOLR usually includes the following operations, including explicit and implicit operations. 1. adddocument: analyzes and word segmentation the document and creates an index Segment segment. Each time a document is added to the flush buffer, a

1. transaction commit mode modification: modify the database commit mode to 0 [manual commit] memset (SQL, 0x00, sizeof (SQL); memcpy (SQL, 1. modify the transaction commit mode: change the database commit mode to 0 [manual commit] Memset (SQL, 0x00

public void UpdateContactTableByDataSet(DataSet ds,string strTblName) { try { SqlDataAdapter myAdapter = new SqlDataAdapter(); SqlConnection　 conn = new SqlConnection(strConnection); SqlCommand myCommand = new SqlCommand("select * from

mysql| Standard | reference | reference Manual | chinese MySQL Chinese reference manual 6 (MySQL compatibility with the standard) Reprinted translator: Yan Zi return 〗〖 Forwarding Q Translator: Yan Zi (clyan@sohu.com) Homepage:

Brief introduction to the affairs management of MyBatisMyBatis's transaction management is divided into two kinds of jdbctransaction. Managedtransaction.The jdbctransaction is only a wrapper for the database connection connection, an internal

Description of how mysql processes binlog bitsCN.com. However, we do not want to describe the implementation details of a storage engine or describe the advantages and disadvantages of various storage engines. we just want to describe how mysql

I haven't figured it out before:Since MySQL first performs data operations and then writes BINLOG, what should we do if it fails to write BINLOG and MySQL crash? The answer is that data is determined by the storage engine.You can separate MySQL

Oracle 11g Create or replace procedure skeletonISBEGINBeginInsert into a values (10 );BeginInsert into a values (11 );End;End;Begin-- Savepoint ps;Insert into a values (20 );Commit;End;BeginInsert into a values (30 );End;Insert into a values (40 );--

Recently, on the blog site, I have replied to other users' database deadlocks to avoid problems. I have replied to the same content several times before, and I think it is necessary to converge into a blog.ArticleFor your convenience. This method

We are familiar with the two-phase submission protocol and explain the exception handling in each phase. First, we need to persist the state in the Protocol process, so that if the server goes down, we can still know through the log that the server