sql server transaction log reader

Myth #1: After a server failover, a running transaction continues to execute Of course it's wrong! Each failover is accompanied by some form of recovery. However, if a connection is disconnected because of a server or instance crash that occurs when a transaction is not being executed,

Myth #1: After a server failover, a running transaction continues to execute Of course it's wrong! Each failover is accompanied by some form of recovery. However, if a connection is disconnected because of a server or instance crash that occurs when a transaction is not being executed,

(non-repeated, phantom read may occur) Repeatable read (phantom read may occur) Serializable (with the lowest performance, the range lock will lead to lower concurrency) Snopshot) In short, different isolation levels are achieved by adding different locks, resulting in blocking. Let's look at an example: SQL Server blocks dirty reads by blocking them, so maintaining independence is at the cost

Original: http://blog.csdn.net/tjvictor/article/details/5253931?when SQL Server when the transaction log is truncated, it simply marks the virtual log file so that it is no longer used, and then prepares it for reuse as a backup ( if carried in a full or bulk

Tags: c blog http a int widthHow SQL Server truncates (Truncate) and shrinks (Shrink) transaction log classifications: SQL Server database backup restore 2010-01-25 14:321,708 people read comments (4) ReportWhen

The SQL Server replication divides large transactions into small transaction distribution methods. In SQL server replication, when a large transaction is executed in the published database, for example, 100,000 or more data is ope

server|window| Error | distributed | Resolving symptoms if you run a linked server query in SQL Server 2000 installed on Windows. NET server, the following error may be returned (even if MSDTC is running on the server): Server:msg

Like Oracle databases, SQL The Server database also has transaction logs. Transaction logs are mainly used to record all transactions and the changes made to the database by each transaction. Transaction logs are one of the most i

In SQL Server replication, when 1 large transactions are performed in the publishing database, such as a one-time operation of 100,000 or more million of data. When the operational data is completed at the publication database, the Log Reader Agent scans the transaction

Server SQL Server 2000 Log shipping Function-settings (1) The log shipping feature automatically copies the transaction log file for the database and is saved to another database in th

Label:MySQL redo log structure vs. SQL Server log structureInnoDB storage Engine MySQL Technology insider F 1 F 2 F 3 F 4 F 5 F 6 F 7 F Sql server Http://www.cnblogs.com/CareySon/p/3308926.html

way of not creating a log. Just as Oracle does not produce an archive. Third, Server 2005: Empty the database log When the log file is full and the SQL database cannot write to the file, there are two methods available: Method One: Empty the

1. Basic concepts of transactions A transaction is a logical unit of work composed of a series of tasks. All tasks in this logical unit must be completed or all fail as a whole. In SQL Server, no matter whether or not begin transaction is explicitly used to mark the start of a