# Backup Technology

__*Backup technology*__
__*Logical backups*__
__*Physical backup*__
__*Replication-based incremental backups*__

+ Logical backup:
  + Text representation: SQL statement
  + The results in the text file contain the SQL statements used to rebuild the database
+ Physical backup:
  + A binary replica of the TiDB database file
+ Replication-based incremental backups:
  + creating with synchronous replication

-------------------------------------------------------------
Logical backup:
  Text representation: SQL statement
  The results in the text file contain the SQL statements used to rebuild the database

Physical backup:
  A binary replica of the TiDB database file

Replication-based incremental backups:
  creating with synchronous replication