sql log analyzer

Log4net: use SQL Server to log your application events By Emanuele 2/23/2008 2:26:00 In the previous article on the log4net configuration, I explain how to configure log4net with the file appender.In this article I explain how to configure log4net with the SQL Server appender.It is very similar, but we see in detail the new configuration. DownloadYou can d

When MySQL uses the slow query log to locate those SQL statements that perform less efficiently, and start with the--log-slow-queries[=file_name] option, Mysqld writes a full execution time of more than Long_ Query_time The log file of the SQL statement for the second, by lo

' or nid in (11,22,33); REF Find one or more values based on an index SELECT * from tb1 WHERE name = ' seven '; Eq_ref Use primary key or unique type when connecting Select Tb2.nid,tb1.name from TB2 left join tb1 on tb2.nid = Tb1.nid; CONST Constant The table has a maximum of one matching row, because only one row, the column values in this row can be considered constants by the remainder of the optimizer, and the const table is fast because they are read only once. Select Nid from tb1 where

Tags: default trace trace autogrow log fileSQL SERVER default tracking app 4--automatic growth of detection log filesUsers complain that the SQL Server database is running very slowly. This query, which is tracked by default, can identify the long run caused by the log file autogrow activity. Why is it so slow?SELECT t

SQL Server logs and agent error days are usually automatically switched after the instance restarts, and if the instance has not been restarted for a long time, it may accumulate too many logs and is inconvenient to view.Log switchover: (Requires permission: Member of the sysadmin fixed server role)--"SQL Server log" toggle exec msdb.dbo.sp_cycle_errorlog--"Agent

How to quickly master "log transfer" in SQL Server" A cluster is an effective solution to achieve high availability. Sometimes it is counterproductive. Moreover, it is very expensive. Therefore, database administrators can use Log transfer instead of clusters to provide high availability. Log transfer is a process in w

logon interfaces and message boards) B) construct an SQL statement by yourself (for example, 'or 1 = 1 #, which will be explained later) C) Send SQL statements to the database management system (DBMS) D) The DBMS receives the request and interprets the request as a machine code command to perform necessary access operations. E) The DBMS accepts and processes the returned results and returns them to the use

server. If the primary database becomes unavailable, you can bring any of the secondary databases online manually.You can use the secondary database for reporting purposes.Configuration process　　1, first need to create in the secondary database for backup of the shared directory logbackup, mainly for storing from the main data backup log files, placed on the secondary database server convenient to read the backup

Tags: style blog http io color os ar for SPThe log generated by SQL Server installation is stored in this directory: "%ProgramFiles%\Microsoft SQL server\[sql_version]\setup bootstrap\log\" Note: [Sql_version] is a specific version of SQL Server, such as

To explain the SQL Server Transaction log records, we all know that in the full recovery mode, SQL server records the operations performed by each firm and these records are stored in the transaction log, some software will use transaction logs to read operation records and recover data. For example, how can I view Tra

is light, data is leaked, and the server is heavy. Now, many website developers know it, but they do not know why, and so do their younger siblings. It is hoped that this will serve as an example for beginners. 1. SQL Injection steps A) Search for injection points (such as logon interfaces and message boards) B) construct an SQL statement by yourself (for example, 'or 1 = 1 #, which will be explained later

1-1. Install "ms SQL Server 2005 (SP3)" (select the local account for the built-in account, select the windows and SQL hybrid modes for the logon mode, and set the password as needed; if no built-in account SA is set, log on to "SQL Server Management Studio" with Windows authentication, right-click the server name (wit

log on the production database unless you have sufficient reason and sufficient certainty, or ... It's not you who take responsibility. Now that this method is unsafe, I'll introduce a secure approach. As you know, SQL Server automatically truncates the inactive portions of the transaction log when it completes a transaction

1. Delete Log 2. Clear the Log 3. Shrinking database files 4. truncating the transaction log The performance of the database is the DBA need to focus on, the increase of log files seriously affect the performance of the database, this article will introduce you to the

LogExplorerForSQL Server v4.2.1 Especially good ,: Http://download.csdn.net/detail/zhanghongjie0302/5899063 RegisterProgram(The compressed file has a registration machine) Open Log ExplorerFile=>AttachLog File->Select Server and login Mode->Connect-> Select Database->Attach->Browse in the left-side dialog box->ViewLog->You can see the log record. Click"ViewDDL commands contains many dropTableCo

The SQL Server database has three file types, data files, secondary data files, and log files, where the log files contain all the log information used to recover the database, SQL Server always writes the log file LDF first, and

SQL Server divides transaction Log files into multiple VLFVirtual Log files), that is, virtual Log files. 650) this. width = 650; "border =" 0 "src =" http://www.bkjia.com/uploads/allimg/131228/230034D28-0.png "alt =" 112954536.png"/> 1. Four statuses of VLF 1,Active. Indicates that an active transaction exists in VLF

Tag: SQL Server transaction is fullError description: The transaction log for the database is full. To find out why the space in the log cannot be reused, see the Log_reuse_wait_desc column in sys.databases.First introduce the concept of transaction log (from Baidu Encyclopedia):The transaction

the mdf/ndf data file, but to the buffer pool. When CKP is triggered, the check point will refresh the "all" dirty data page from the buffer pool of the current database to the data file. The so-called dirty data is the changed data pages, which are not written to the disk in the memory. All dirty data includes submitted data changes and uncommitted data changes. Refresh to a data file refers to writing the image copy after the data is changed to the data file. The changes to the data will reta

Original: SQL Server high-availability log shippingI. Log shipping OverviewSQL Server uses log shipping, which automatically sends a transaction log backup of the primary server to one or more secondary databases.An optional monitoring server that records the history and sta