begin tran sql

The Begin Tran,commit Tran and rollback TRAN are available in SQL Server 2005/2008 to use transactions.Begin TRAN Indicates the start of a transaction,Commit Tran represents the commit transaction,Rollback TRAN means rolling things backEXEC

SQL Server 2005/2008 provides begin Tran, commit Tran, and rollback Tran to use transactions. Begin Tran indicates that the transaction starts, commit Tran indicates that the transaction is committed, and rollback Tran indicates that the transaction

The specific usage is as follows: Copy Code code as follows: -- ============================================= --Author:cynimoon --Create date:2009-10-09 --Description: sample Stored Procedure -- ======================================

The usage is as follows: Copy codeThe Code is as follows: -- ===================================================== ====== -- Author: cynimoon -- Create date: 2009-10-09 -- Description: sample stored procedure -- ======================================

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

Tran two ways of writing in SQLThe first form of a try catch:BeginTRYBegin Tran Transaction DECLARE @ServiceOrderId INT SET @ServiceOrderId=73342 DECLARE @ErrorCount INT SET @ErrorCount = 0 --Adjust the

-- Typical transaction programming example -- Begin transaction is the start transaction, commit transaction is the commit transaction, and rollback transaction is the rollback transaction -- In this example, insert a record first. If an error

 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

MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,

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