Physical damage and logical damage of Oracle Database Block

The author believes that it can not be simply said that the damage of the physical hard disk leads to the physical damage of the block, and the Oracle bug leads to the logical damage of the block. In this article, we will discuss in detail the concept of physical corruption and logical corruption of the Oracle database. Here is an article by METALINK: P

2022-06-02 Servers 我要分享

The difference between _ OFFLINE_ROLLBACK_SEGMENTS and _ CORRUPTED_ROLLBACK_SEGMENTS

These two parameters of _ OFFLINE_ROLLBACK_SEGMENTS and _ CORRUPTED_ROLLBACK_SEGMENTS can force the database to be opened, but after open, it is best to export, rebuild the library, and then import. Yeah, these two.

2022-06-01 Database 我要分享

How to use DBMS_REPAIR to repair Bad blocks in Oracle

This article mainly shows you "how to use DBMS_REPAIR to repair bad blocks in Oracle". The content is easy to understand and clear. I hope it can help you solve your doubts. Let the editor lead you to study and learn how to use D in Oracle.

2022-05-31 Database 我要分享

Bad Block Media recovery (blockrecover) based on RMAN

Http://blog.csdn.net/leshami/article/details/10500997 for physically damaged data blocks, we can recover them through RMAN block media (BLOCK MEDIA RECOVERY)

2022-06-01 Database 我要分享

How to repair corrupted system files in Windows 10

This article mainly introduces how to repair the damaged system files in Windows 10. It is very detailed and has a certain reference value. Interested friends must read it! The built-in system file checker is an easy-to-run tool to replace possibly corrupted or lost

2022-06-01 Servers 我要分享

Stuck recovery of database ORA-00600 [3020] (Doc ID 283269.1)

In this DocumentSymptomsCauseSolutionReferencesApplies to:Enterprise Manager for Oracle Database-V

2022-06-01 Database 我要分享

Ericsson will pay more than $1 billion to resolve corruption charges

Technology companies have been embroiled in corruption scandals before, but scandals on this scale are rare. Telecom giant Ericsson has reached a settlement with the Ministry of Justice and the Securities and Exchange Commission for nearly $1.1 billion in compensation, accusing many countries, including Saudi Arabia and Vietnam, of widespread corruption. The company is accused of being in 200

2022-05-31 Mobile Phone 我要分享

Recover data block bad block

July 22, 2014 studies the recovery of bad blocks in databases: Oracle calls standard C system functions to read and write data blocks. Therefore, bad blocks may be caused by the following reasons: hardware I Universe errors, operating system I Unix O errors or buffering problems, memory or paging problems.

2022-06-01 Database 我要分享

Oracle ora-01578 ORACLE block corruption (file number 4, block number 840339)

ORA-01578 is a kind of physical bad block / corruption of data block. Unlike logical bad / bad block, it usually appears with ORA-1110. Once ORACLE reads the damaged block, it will report Caused by: java.sql.SQLExc.

2022-06-01 Database 我要分享

Oracle 11g dataguard main library bad block repair

The ideal situation is to enable real-time transmission of redo logs. You can use the standby library to repair the bad blocks of the main database: check DG mode: alter database recover managed standby database using curre

2022-06-01 Database 我要分享

10231 internal events of Oracle block corruption are not fully recovered

What is block corruption: a corrupted data block means that the block is not in a recognizable Oracle format, or its contents are inconsistent internally. Usually, the damage is caused by a hardware failure or operating system problem. The Oracle database identifies the damaged block as "logically corrupted" or

2022-06-01 Database 我要分享

How to deal with File corruption in Oracle

Today, I would like to talk to you about how to deal with file corruption in Oracle. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article. This article will introduce all kinds of corrupted oracle files.

2022-05-31 Database 我要分享

Tencent reported the latest internal anti-corruption situation and issued a list of 48 punishments: related to job embezzlement, illegal misappropriation of funds, etc.

CTOnews.com news on January 15, at the Tencent internal staff meeting on December 15 last year, Tencent Chairman and CEO Ma Huateng said the internal corruption problem was "shocking" and that time was running out for some businesses. According to the power plant, Tencent is

2023-11-24 IT Information 我要分享

Oracle database prompts ORA-19566 LOB what to do

This article introduces the relevant knowledge of "Oracle database prompts how to deal with ORA-19566 LOB". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you will read it carefully.

2022-06-01 Servers 我要分享

What are the tools for checking block corruption in Oracle

This article focuses on "what are the tools for checking data block corruption in Oracle". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what are the tools for checking block corruption in Oracle. 1.

2022-05-31 Database 我要分享

Oracle 11g Health Monitor Checks

Description: Health Monitor is 11g introduced to check the various components of the database (including files, memory, transaction integrity, metadata and process usage). These inspectors will generate a report of the results of the inspection and recommendations for resolving the problem. Available offline in the database (nom

2022-06-01 Database 我要分享

How to repair word file corruption (how to repair word file corruption)

Hello, everyone with audio commentary. We will come here to answer your questions. Word file damage how to repair, word file damage how to repair this many people do not know, now let's take a look at it! Answer: 1. Click the file. This is the end of this article. I hope it will be helpful to all of you.

2022-05-31 Mobile Phone 我要分享

Detect block corruption (Block Corruption)

The damage of data blocks can be divided into two cases, the first is physical and the second is logical. The physical general index is that the head of the block is not accessible and the check value of the data block is illegal. Logic generally means that when the physical structure is complete, the content of the data is incorrect in meaning, such as saving unacceptable fields.

2022-06-01 Database 我要分享

LOB segment corruption

Today, there is an ORA-01555: snapshot too old error using expdp to import data. There are clob fields in the table. It is useless to add retention time and undo tablespaces. Finally, it is found that there is LOB segme.

2022-06-01 Database 我要分享

How to detect file corruption by apache tika

This article mainly introduces apache tika how to detect whether the file is damaged, the article is very detailed, has a certain reference value, interested friends must read it! Apache Tika is a library for file type detection and extraction of file contents from various formats. Set

2022-06-01 Servers 我要分享