read sql log file

Article Title: Linux Log File System and Performance Analysis (group chart ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The log file system can ensure the integrity of the ove

not understood at all, Oracle8i has logminer in subsequent releases, and Logminer is the tool that lets us read the log information, through which we can: identify logical changes to the database, detect and correct user errors, perform post-mortem audits, and perform change analysis.Four Use of Logminer:1. Create a data dictionary file (data-dictionary)1). Firs

Label: You can use log shipping to send transaction logs uninterrupted from one database (primary database) to another (secondary database). Continuously back up the transaction logs in the primary database, and then copy and restore them to the secondary database, which basically keeps the secondary database in sync with the primary database. The target server acts as a backup server, and the query processing can be reassigned from the primary server

options in the Mysqlbinlog statement. For example, suppose that at 10:00 today (today is April 20, 2006), execute the SQL statement to delete a large table. To recover the tables and data, you can restore the previous night's backup and enter:Mysqlbinlog--stop-date= "2005-04-20 9:59:59"/var/log/mysql/bin.123456 \| Mysql-u root-pmypwdThis command restores all data up to the date and time given in datetime f

Use file descriptors in Unix/linux to retrieve deleted files (data file or redo log)Reference text:Retrieve deleted files on Unix/linux using File descriptors (Doc ID 444749.1)Suitable for:Oracle database-enterprise edition-version 8.1.7.0 to 11.2.0.3 [Release 8.1.7 to 11.2]Linux x86Oracle Solaris on SPARC (64-bit)Linu

Source: http://www.study-code.com/database/sql-server/76961.htm We know that the SQL Server transaction log is mainly used to record all the changes made to the database by all transactions. If the system fails, it will become the only source of the latest data. Log operations often have the following applications: I.

installed in mainstream Linux distributions by default. If logrotate does not appear for some reason, you can use apt-get or yum commands to install logrotate. On Debian or Ubuntu: # Apt-get install logrotate cron # Yum install logrotate crontabs # Touch/var/log-file # Head-c 10 M # Vim/etc/logrotate. d/log-file /Var

We often encounter this situation in the operation of data, the need for some environment-generated log data analysis, and some large company friends, often do not have the authority of the server, so we need to automatically import data into MySQL, this content is based on. Article Focus: 1st log files are read by row, prevent logging data from being too large,

first, and you will find some clues to the problem. Alternatively, in Event Viewer, you can save the log as a *.evt file or a *.txt file for the DBA to take to another machine to open the analysis. The way to open a *.evt file is to right-click the Event Viewer (local) tree structure---to open a saved

successfully, set up replication and restore every two minutes to make a transfer asAfter the log shipping configuration succeeds: The secondary database is identified as (standby/read-only) asThe primary database SQL Server Agent job is as follows:Backup Job (lsbackup_logshipping_test)Warning Job (lsalert_{computer name})Secondary database

The log file system can ensure the integrity of the overall data in the case of power failure or other system faults. Linux is one of the most supported operating systems, this article focuses on the common log file systems in Linux: ext3, reiserfs, XFS, and JFS log technolo