Describe the process of database recovery in IMS DB.
Database recovery in IMS DB (Information Management System Database) involves restoring the database to a consistent and usable state after a failure or data corruption event.
IMS DB provides robust mechanisms for recovering from various types of failures, including system crashes, hardware failures, and transaction errors. Here's an overview of the process of database recovery in IMS DB :
* Backup and Logging
* Checkpointing
* Analysis Phase
* Undo Phase
* Redo Phase
* Consistency Check
* Restart and Resumption of Operations
