, the client connects to the mongodb service with IP 127.0.0.1 port number 27017 and backs up all data to the bin/dump/directory. The command output is as follows The list of optional parameters for the Mongodump command is as follows: Syntax description instance Mongodump--host host_name--port port_number This command will back up all MongoDB data mongodump--host w3cschool.cc -- Port 27017 Mongod
oracle10g Data Pump EXPDP and IMPDP backup and recovery data
Pre-database backup preparation work
Create a new backup directory directory and authorize the user
Steps:
1. Login Sqlplus
Account name: ptemp Password: 000000 host string: empdb
Sqlplus Execution statement: Conn ptemp/000000@empdb as Sysdba
Hint: Login Successful
2. Create directory backup director
The MariaDB database management system is a branch of MySQL. It is mainly maintained by the open-source community and licensed by GPL. One of the reasons for developing this branch is that Oracle has the potential risk of shutting down the source of MySQL after purchasing MySQL. Therefore, the community uses the branch method to avoid this risk.
Data is no longer important to us. How can we ensure the security of
In RAID array data recovery, we often encounter simple structure such as RAID1, RAID0, RAID5 and so on array data recovery, such array data recovery is generally difficult, the data
First, download installation Jinshan data Recovery
Open member free download "Data recovery", download completed after installation can be (if downloaded, you can ignore the first step).
Second, start login data recovery
problem:
The first thing you should think about when repairing a Seagate hard drive is:Instructions on the hard drive after the display of the relevant information, and then according to the information to do the corresponding processing and repair. 1A typical CE log error.
2
The problem has been solved successfully.The issue efficiency source Forum has a corresponding repair tutorial:K8K9K10 fix CE log error for data
This article describes how to improve the efficiency of DB2 data backup and recovery. When designing a data backup and recovery solution, we mainly consider two aspects.
The first is whether the backup and recovery policies are secure, that is, whether the database can be ba
Today we mainly describe the actual operation steps to improve the efficiency of DB2 data backup and recovery. When designing a data backup and recovery solution, we mainly consider two aspects. The first is whether the backup and recovery policies are secure, that is, wheth
First step:
Download installation Jinshan Data recovery
Open member free download "Data recovery", download completed after installation can be (if downloaded, you can ignore the first step).
Step Two:
Start logon Data recovery
Common data file backup and recovery common data file backup and recovery: Common Data Files refer to non-system tablespace, udo tablespace, temporary tablespace, read-only tablespace files. Common data files can be restored using
1. When are MySQL data sheets susceptible to damage? A sudden power outage in the server caused data file corruption. force shutdown, without first shutting down the MySQL service and so on. 2. What is the main phenomenon after the data sheet is damaged? when you select data from a table, you get the following error: I
This article mainly introduces how to correctly improve the efficiency of DB2 data backup and recovery, including understanding the logical storage structure of data and rational planning of tablespaces to improve database backup and recovery performance, as well as the alternative processing methods for LOB
Data Recovery after data is accidentally deleted in Oracle and committed
Background: Table A is deleted due to data misoperations.
-- 1. Back up the current data of Table A first.
-- 2. query the SCN number before a certain time point
Select max (Scn) FROM Sys. Smon_Scn_
Tags: Use Data Io management time re1. Parameters for automatic management of Oracle restored data:1. Some programs before Oracle 9i contain statements that manually specify rollback segments. This statement does not affect the final result, but reports an error on the console. Therefore, dynamic parameters are introduced.Undo_suppress_errors: manually specifying or setting a restore segment in the mode of
For a number of unexpected incidents encountered in computer use, such as sudden power outages, virus damage, accidental restart will result in the loss of computer data, for the missing files are not irreversible, we can use some data recovery software to recover the lost data, if using
A thorough set of deletions containing data files and content is emitted, and if used manually, DBAs will be extremely cautious in spelling such commands:
Wed May 02 10:46:09 2012/* Oracleoem */DROP tablespace "Wndt" including CONTENTS and Datafiles CASCADE CONSTRAINTSWed May 02 10:46:23 2012Errors in file d:oracleadminwndtudumpwndt_ora_4816.trc:ORA-01259: Cannot delete data file D:oracleoradatawndtwndt. O
Backup and recovery of spatial data in ArcSDE:
With the increasing requirements of GIS application systems in terms of complexity, integration, and concurrency, the amount of space data required by the system is rapidly increasing. At the same time, users' demands for concurrent access to spatial data are becoming in
As an operational personnel, to ensure that the security of data is the fundamental responsibility, so in the maintenance of the system, to be cautious, but sometimes it will inevitably occur when the data is mistakenly deleted, at this time to change how to quickly and effectively recover data? In this article, we will introduce several
Recommendation: 10 Technical Masterpiece: "High-performance Linux server construction combat Ⅱ" full-network distribution, with probation chapters and the book instance source download!As an operational personnel, to ensure that the security of data is the fundamental responsibility, so in the maintenance of the system, to be cautious, but sometimes it will inevitably occur when the data is mistakenly delet
As an operational personnel, to ensure that the security of data is the fundamental responsibility, so in the maintenance of the system, to be cautious, but sometimes it will inevitably occur when the data is mistakenly deleted, at this time to change how to quickly and effectively recover data? In this article, we will introduce several
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