GXPT is a distributed system that temporarily includes the permission system, basic system, evaluation system, and examination system. Each system has its own oracle database. Our group is responsible for the evaluation system, and the normal evaluation system needs to rely on the permission system and basic system. The specific business is not explained here. The evaluation activities are coming soon. The basic system enters real data into the basic database, and the evaluation system also want
GXPT is a distributed system that temporarily includes the permission system, basic system, evaluation system, and examination system. Each system has its own oracle database. Our group is responsible for the evaluation system, and the normal evaluation system needs to rely on the permission system and basic system. The specific business is not explained here. The evaluation activities are coming soon. The basic system enters real data into the basic database, and the evaluation system also want
Backup:Mysqldump: The data is exported from the database and imported, the data is exactly the same, but time-sensitive, large amount of data backup can be a nuisance.Master-slave replication:MySQL replication: Has the effect of backing up MySQL. The commands executed on the primary MySQL are copied to the Binlog file to be executed again from MySQL, and the data is usually consistent, depending on the size
Label:Copy and append of database(a) Separation:1. Stop the SQL Server service and copy the. mdf and. Ldf,ndf. Then start the service again.2. In the SQL Server operator interface, right-click the database you want to copy-all Tasks-detach. Copy the. mdf and. Ldf,ndf.(ii) additionalIn SQL Server Object Explorer, right-click on "Database"--select "Attach"--in the pop-up window select the. mdf file you want to attach, click OK.Note: two files. mdf and. LDF should have access rights. Everyone has f
Copy and append of database(a) Separation:1. Stop the SQL Server service and copy the. mdf and. Ldf,ndf. Then start the service again.2. In the SQL Server operator interface, right-click the database you want to copy-all Tasks-detach. Copy the. mdf and. Ldf,ndf.(ii) additionalIn SQL Server Object Explorer, right-click on "Database"--select "Attach"--in the pop-up window select the. mdf file you want to attach, click OK.Note: two files. mdf and. LDF should have access rights. Everyone has full co
Data backup and Database Replication in Oracle user management mode
The first thing to note is that Oracle Database Backup can be divided into logical backup and physical backup.
Logical backup backs up data through data export, m
can have multiple machine
1, first login host A
The code is as follows
Copy Code
Mysql>grant REPLICATION SLAVE on *.* to ' backup ' @ ' 192.168.1.101 ' identified by ' 123456 ';
Given the permissions from the machine, there are more than one cluster machine, on the execution of multiple
2, open the my.cnf of host A, input
The code is as follows
Cop
Backup strategy
For different scenarios, we should make a different backup strategy for the database backup, in general, the backup strategy generally for the following three kinds:
Direct Cp,tar copy of database filesmysqldump Copy Bin LOGSLVM2 snapshot replication Bin LO
Detailed steps for implementing mysql hot backup in linux (mysql master-slave replication) bitsCN.com
Role of the master and slave:
1. it can be used as a backup method.
2. read/write splitting to relieve the pressure on a database
MySQL master-slave backup principle:
Mysql master-slave
Setting up MYSQL Data synchronization
MySQL provides database replication functionality after version 3.23.15. The function of two database synchronization, master-slave mode and mutual backup mode can be realized by this feature.
The settings for database synchronization replication are reflected in the MySQL settings file. MySQL's configuration file (typically
repository control fileCp/oradata/dgbackup/xxx/xxx01.ctl/oradata/xxx/control01.ctl5. Start the standby repository for incremental recovery-----Start the database to NomountStartup Nomount;----Start the database to mountALTER DATABASE mount standby database;# #rman增量恢复Catalog start with '/oradata/dgbackup/inscndbkf ';Recover database Noredo;6. Start the standby copy application-----Start RecoverySqlplus/as SYSDBAALTER database RECOVER MANAGED STANDBY database USING current LOGFILE DISCONNECT fro
Atitit. Improved Backup File Replication speed (4) --- data mining to obtain the list of recycle bin files
1. Principle of putting data into the recycle bin and 1
2. info2 file structure 1
3. Obtain the file list. Two Methods: regular expression or parsing 1.
4. Path regular expression [A-Za-Z] \: [\ a-zA-Z0-9 \ xb0-\ xf7 \ xA1-\ xfe _. ~] + 2
5. Refer to 2
1. Principle and
The info2 file records the infor
Label:First, backgroundWhen MySQL builds a database of historical data (Master/slave), it can be restored by backing up the historical data on the Master server and using the backup file in Slave, which is the advantage of being able to build the environment more quickly. Because the backup file can be compressed, sub-package, and can use FTP and other tools to ensure the safe and fast transmission process;
Label:SQL Server 2008 database replication is a publish/subscribe mechanism for synchronizing data between multiple servers, which we use for synchronous backups of databases. Synchronous backup here refers to the backup server and the primary server for real-time data synchronization, normally only use the primary database server, the
SQL Server 2008 database replication is a publish/subscribe mechanism for synchronizing data between multiple servers, which we use for synchronous backups of databases. Synchronous backup here refers to the backup server and the primary server for real-time data synchronization, normally only use the primary database server, the
If MongoDB is just a document-type database, there is no bright spot, however MongoDB's greatest advantage is read-extended, hot-backup, failback, and Auto-sharding (write extension). This section of the series to the end of the introduction of these features.Backup copy realizes the database backup simultaneously, realizes the reading and writing separation, and realizes the load balance of the read operat
With the continuous popularization and application of database management system, enterprises require that important data of database will not cause data loss or data being unavailable because of the occurrence of various accidents. Correspondingly, the backup and recovery mechanism of database data shows its importance more and more. It is not difficult to imagine, finance, taxation, construction engineering all walks of life if there is no
mysql| Backup | data | data synchronization
Setting up MYSQL Data synchronization
MySQL provides database replication functionality after version 3.23.15. The function of two database synchronization, master-slave mode and mutual backup mode can be realized by this feature.
The settings for database synchronization replicatio
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