Skip to main content

Backup and restore database in SQL Server

  1. To backup the database, use below query.
    Backup database <databaseName> to disk ='<backupLocation>.bak' with init;
  2. To backup the logs, use below query.
    Backup log <databaseName> to disk ='<backupLocation>.trn' with init;
  3. To restore from the database backup, use below query.
    restore database <databaseName> from disk =<backupLocation>.bak' with norecovery, replace, move 'testmirror' to 'DATA.mdf', move 'testmirror_log' to 'DATA_log.ldf';
  4. To restore from the transaction log, use below query.
    restore log
    <databaseName> from disk ='<backupLocation>.trn' with recovery, replace, move 'testmirror' to 'DATA.mdf', move 'testmirror_log' to 'DATA_log.ldf'

Comments

Popular posts from this blog

Identify the duplicates in MySQL

To identify the duplicate entries in MySQL, use below query.                      SELECT COUNT(*) as repetitions, group_concat(id, ' (', startTime, ', ', endTime, ') ' SEPARATOR ' | ') as row_data FROM GROUP BY startTime, endTime HAVING repetitions > 1 FYI, id, startTime and endTime columns should be changed based on your table schema. you can change the output format here like alias and the separator.

Exclude or Include table(s) during creating backup from MySQL

 To exclude tables when you are creating database backup from MySQL, execute below query. mysqldump -u root -p<Password> DATABASENAME --ignore-table= DATABASENAME.TABLENAME  > BACKUPFILENAME.sql  To include  tables when you are creating database backup from MySQL, execute below query. mysqldump -u root -p<Password> DATABASENAME TABLENAME1 TABLENAME2  > BACKUPFILENAME.sql Take note that there is no whitespace between -p and the password..