use of commit and rollback in sql

Start transaction, commit and rollback syntaxStart Transaction | Begin [Work]commit [Work] [and [No] chain] [[No] release]rollback [work] [and [No] chain] [[No] release]set autocommit = { 0 | The 1}start transaction or BEGIN statement can begin a

Start transaction, commit, and rollback syntaxStart transaction | begin [work] commit [work] [and [no] chain] [[no] release] rollback [work] [and [no] chain] [[no] release] set autocommit = {0 | 1} start transaction or begin statement can start a

 Error Handling of nested transactions and transaction retention points     For nested transactions.1. Start external transactions, start internal transactions, and try catchInternal error: if an internal transaction error occurs, internal and

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

Start transaction,COMMIT, AndROLLBACKSyntax From: http://dev.mysql.com/doc/refman/5.0/en/commit.html Of course, the article noted from MySQL, but MySQL, SQL Server, Oracle start tracmsaction, commit, and rollback syntax are no problem in DML. I hope

(1). insufficient space for rollback segments ORA-01562-failed to extend rollback segment number string The reason for insufficient rollback segment space is generally as follows: A. The remaining free space in the tablespace where the rollback

Turn from: Nested transactions in SQL Server use--transaction count indicates a mismatch between the number of BEGIN and COMMIT statements--The underlying problemProblem:1. System.Data.SqlClient.SqlException (0x80131904): The transaction count after

Understanding of mysql transaction commit and rollback errors, mysql transaction I. Cause Begin or start transaction to START a TRANSACTION Rollback transaction rollbackCommit transaction validation The transaction is interpreted as follows: a

Reprinted from: http://blog.csdn.net/leshami/article/details/5731158One, rollback (ROLLBACK) and undo (undo)Rollback and roll forward are important means of ensuring that the data in an Oracle database is in a consistent state. --Before the 9i

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