Have friends often find their own database of all the content to insert some code, if you want to record a table to delete, too much trouble, the following I found in the online can be bulk Delete method, in fact, the batch to replace the malicious code, very fast.DECLARE @t varchar (255), @c varchar (255) Declare table_cursor cursor for select a.name,b.name from sysobjects a,syscolumns b , systypes C where a.id=b.id and a.xtype= ' u ' and c.name/* "U" for the type of data you want to manipulate
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
Misunderstanding #20: After the log backup chain is damaged, a complete backup is required to restart the log chain.
Error
Transaction Log backup backs up all transaction logs since the last transaction
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
Two methods are available when the log file is full and the SQL database cannot write to the file:One way: Empty the log.1. Open Query Analyzer, enter a commandDUMP TRANSACTION database name with NO_LOG2. Open Enterprise Manager again--right click on the database you want to compress--all tasks--shrink the database--Sh
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
Myth #20: After breaking the log backup chain, a full backup is required to restart the log chain
Error
A transaction log backup backs up all transaction logs since the last transaction log
, dead way, look at the stored procedure, an open, is worthy of someone else to write code, thousands of lines ah, as a long time did not read the code of non-mainstream programmers, Pressure is infinite ah, suppress the mind to vomit, look for all the changes to the table, filter out the table that may be affected, and then find the employee work record (the staff work record is very important under the spit groove), sure enough, yesterday someone made a change to the table, so find the corresp
This section describes SQL statements, sqltransaction, and transactionscope.
All examples in this section run in SQL Server 2008 and vs 2008 environments. If SQL Server 2005 is not available, the same applies to SQL
Ms SQL SERVER log growth is very fast, after a long time, log files will be very large, occupying a lot of hard disk space, so you need to regularly clear the log, you can use the following four methods:
Method 1:
1. Open the quer
windows Account and the previous login account had limited permissions and could not obtain all the disk space capacity. Therefore, after logging on with the Administrator account, I found that SQL SERVER had an error log capacity of nearly 90 GB, and finally found the reason why the disk is full. The next step is how to solve it.At first, I listened to my colle
? preface During development, it is common to use SQL Server Management Studio to connect to local or remote SQL Server servers for a long time and may have some names that are not used or duplicated, andSQL Server Management Studio does not provide a quick way to delete
Tags: Clear right-click Extension start modify cause build expansion space developmentTransaction log files transaction log file is a file that is used to record database updates, with an extension of LDF.In SQL Server 7.0 and
When the database log is full, the system prompts: the database '**' log is full. Back up the transaction logs of the database to release some log space.
Solution:
1. Clear logsDump transaction database name with no_log
2. Comp
The transaction is about atomicity. The concept of atomicity means that some things can be viewed as an inseparable unit. From a database point of view, it refers to the smallest combination of one or more statements that should be executed all or not at all.To understand the concept of a transaction, you need to be able to define very clear boundaries. The
This articleArticleIs the third article in the series. The addresses of the first two articles are as follows:
Transaction logs in SQL Server (I)-physical and logical architecture of transaction logs
Transaction Log in
Tags: setting from transaction isolation cannot query server fit Office Date databaseV. Lock and TRANSACTION isolation levelsTransaction ISOLATION level The simple thing is that when the transaction is activated, the control transaction causes the locking of the
Label:V. Lock and TRANSACTION isolation levels Transaction ISOLATION level The simple thing is that when the transaction is activated, the control transaction causes the locking of the SQL statement to be kept multiple, and the extent of the impact, in order to prevent multi
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