What is the purpose of the log files in DB2?

The log files in DB2 are primarily used to record all operations of the database, including data modifications, transaction commits or rollbacks, etc. These log files can help in recovering data, ensuring data integrity and consistency. In case of database failure or unexpected power outage, recovery operations can be carried out through log files to ensure data is not lost or damaged. Additionally, log files can also be used for database replication and synchronization operations to ensure data consistency among multiple databases.