commit tran

Insert the field values separated by a single character into the table cyclically Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Declare @ strchatrooms nvarchar (1000) -- custom parameter, value

What is a transaction? These are database-specific terms. The lazy explained here: it is to treat multiple things as one thing. That is to say, if everyone is on the same ship, they must live together and over together! Why should I use

Create proc sp_submit_topic 2 3 @ topicid int, 4 @ content varchar (1000 ), 5 @ uid varchar (20 ), 6 @ datetime 7 8 9 10 begin tran -- Development 11 12 insert into tb_re_topic 13 values 14 ( 15 @ topicid, @ uid, @ content, @ datetime 16) 17 18 if @

Use Database Replication Technology to synchronize data updates Concept of Replication Replication is a technology that copies a set of data from one data source to multiple data sources. It is an effective way to publish a set of data to multiple

How to Set an entire line field, which starts from the initial value of 0000001 and increases by 1 for each record.How do I set the formula in the Enterprise Manager?Or how to write the code?How can we use stored procedures and transactions to

I suddenly remembered what a friend recently said to me: Turning around may mean a lifetime of life ....... The passage of time is always heartless and unintentional, so that you have no chance to appeal. In a twinkling of an eye, I wrote it last

1. Polymorphism Here we will summarize the functions of virtual override and new. There are three classes A, B, C, B, and C inherited from a, some of which are overwritten, and some are overwritten: Public   Class A { Public A ()

This article describes how to handle the problem. net locks six methods. First, let's discuss the concurrency problem, and then discuss the three methods to deal with optimistic locks. Optimistic locks cannot solve the concurrency problem from the

1. TransactionsBegin Tran start transaction, commit Tran commit transaction, rollback Tran roll back transaction, save Tran save transactionThe first three are very familiar. The last save Tran should be well understood and researched.In fact, the

Message Engine 1. Message Type 2. Implementation Method   Message Type The system has two built-in implementation types: workflow message and custom message. The workflow message comes from the settings of the workflow. Different messages

The test environment is as follows: SQL Sever 2000 database, remote host name: xz, User name: SA, password: None, Database Name: Test When creating a test table, note that the primary key cannot be used as the ID column because normal updates cannot

Because the "transaction isolation level" of SQL Server is read committed by default (which cannot be read during the transaction), and the locking of SQL Server causes blocking, by default, other processes must wait indefinitely (lock_timeout =-1 ).

About with (nolock) in SQL and withnolock in SQL What does NOLOCK in SQL Server mean? It is generally used in such statements: select * from t with (NOLOCK)Nolock is a non-lock query that can read the data locked by the transaction, also known as

Is SQL Server's clustered index really the best ?, -- Simulate the environment first. The following describes how to USE [Temp] GO-drop table [TestTab] truncate table [TestTab] create table [dbo]. [TestTab] ([UserAcount] [varchar] (50) not null,

According to Microsoft, because the memory database uses Optimistic Concurrency Control, transactions do not need to be locked to lock resources to ensure consistency. Microsoft believes that there are very few conflicts and failures in the

Transactions and locks in SQL Server   Transactions are all about atomicity. The concept of atomicity refers to the ability to treat things as a unit. From the database perspective, it refers to the minimum combination of one or more statements that

For details about the configuration of the COM + environment, see the excerptArticleDistributed transactions (1) --- MTS settings Http://blog.csdn.net/honkerhero/archive/2007/03/28/1544072.aspx For troubleshooting of running problems, see file

-- Regularly synchronize data on the server (data changes on the server are synchronized to the local device) -- test environment, SQL Server2000, remote server name: rserver, User name: ruser, password: rpwd, test Database: Test -- the table on the

Create trigger t_test on Test For insert, update, delete As Set? Xact_abort on -- Start the MSDTC Service of the remote server Exec master .. xp_mongoshell 'isql/s "xz"/u "sa"/P ""/Q "Exec master .. xp_cmdshell ''net start MSDTC '', no_output" ', no_

Ms SQL Server provides many database repair commands that can be attempted when the database challenges or some cannot complete the read. 1. DBCC checkdbAfter the server is restarted, if no operation is performed, execute the following SQL statement