tail log file

Back up the databaseBack up the file, back up the log file, and rename it.Execute sp_attach_single_file_db in the query analyzer to generate a new log file.I have never done anything about it and asked experienced people to answer it ., I will collect the relevant information. METHODS Extracted from the Internet withou

Brief introduction:MySQL provides several types of log files that reflect different MySQL information, and it is necessary to understand them.1. Error logThe error log records all the more severe warnings and error messages during MySQL server operation, as well as details about each startup and shutdown of MySQL server.By default, the system logging error log is

ORACLE alarm log file, oracle alarm Alarm log Introduction The alarm log file is a special trace file ). The alert log File is generally

Oracle online log files record the logs of data block changes during database operation. After the database becomes corrupted or fails abnormally, you must use online logs (or archive logs, repeat the changes in the database.When the log file itself is damaged (lost), the database may not be able to open normally. In this case, the recovery test is conducted (for

Redo log files provide a recovery mechanism for system or media faults by recording all changes to the data. 1) redo log files exist in groups. 2) an oracle database must at least Redo log files provide a recovery mechanism for system or media faults by recording all changes to the data. 1) redo log files exist in grou

Create a log file in Oracle The syntax for creating a log file in Oracle is as follows: Alter database database_name add logfile [group group_number] (File_name [, file_name [,...]) [SIZE number] [reuse];The syntax is described as follows;Group group_number is the ID of the specified group in the

Online logs are classified into current online logs and non-current online logs. the corruption of Non-current online logs is relatively simple. Generally, you can solve the problem by using the clear command. Corrupt non-current online logs:1. Start the database, encountered a ORA-00312 or ORA-00313 error, such:ORA-00313: open failed for members of log group 4 of thread 1ORA-00312: online log 3 thread 1: '

The onlineredo log file is very important to the database. When the current log file is damaged, it usually means data loss, but it is not absolute. The online redo log file is very important to the database. When the current

There are no fewer than dozens of tools used to search for specific event events in a log file, this article describes the policies that should be taken when searching for log files. Then, several specific examples are presented to describe some ways to manually search for log files using the grep command. Next, we'll

The transaction log (Transaction logs) is a very important but often overlooked part of the database structure. Because it is not as active as the schema in the database, few people are concerned about the transaction log. The transaction log is a record of changes to a database that can record any action against the database and save the record results in a sep

Experience: Online logs are classified into current online logs and non-current online logs. the corruption of Non-current online logs is relatively simple. Generally, you can solve the problem by using the clear command. Experience: Online logs are classified into current online logs and non-current online logs. the corruption of Non-current online logs is relatively simple. Generally, you can solve the problem by using the clear command. Experience summary: Online logs are classified into

Sometimes we develop an application of log output to a file when for example: (Baidu has been a long time Baidu is not good, here to record a moment December 7, 2015 16:28:39)local7.*/var/log/xxxx.logBut if you tail view the message, there will be output. It is not very friendly to a system with a higher IO requirement

Today, I read the previous part of MySQL performance tuning and architecture design. I saw the log file and actually did a test. Here I will summarize it. I am using MySQL under windows, and there is a lot of content in MySQL under Linux on the Internet. Here the right should be a little bit supplemented. MySQL has the following types of log files:

Create a log file in oracle The syntax for creating a log file is as follows: Alter database database_name add logfile [group group_number](File_name [, file_name [,...]) [SIZE number] [reuse]; The syntax is described as follows; Group group_number is the ID of the specified group in the

What is a log file? It is a collection of file systems that depend on the log files of the various data that are established. When any system crashes or needs to be restarted, the data is restored in accordance with the records of the information in the log

Redo log files Record Database Change Data. Generally, the failure of redo log files will not cause database data loss, but will affect database recovery. Redo logs can be divided into two statuses: Current online redo logs and non-current online redo logs. 4.1Non-currentRedo (Online redo log)File loss recovery When th

The following describes how to rename an Oracle listener log file without renaming it. It is helpful for you to learn about the Oracle listener log file. Oracle listener log file (usually called listener.

Xml Logging an application's action log can use databases, text files, XML files, and so on. What I'm introducing here is using an XML file to record an action log. I think there are several benefits to using XML to log operations logs: 1. Do not occupy the space of the database, you can delete the history operation

MySQL Log File Type Introduction: MySQL provides various types of log files that reflect different MySQL information and are necessary to understand them. 1. Error log (Error log) The error log records all severe warnings and erro

Adjust the redo log file size in oracle rac, racredoAdjust the size of the redo log file under rac(1) view the current log information:Select * from v $ logfile;(The path in step 2 can be seen in the MEMBER column here. The redo file