To validate database integrity and to check for database corruption, perform an action:
Perform a dense restructure. Because a dense restructure recreates all blocks within a database, this method verifies index nodes and cells for each block.
Export all levels of data from the database. Exporting an entire database accesses blocks and all data values across the entire database.
Use the ESSCMD VALIDATE command to check structural and data integrity. See Using VALIDATE to Check Integrity.
If errors occur during any of these checks, restore the database from backups. See the Oracle Hyperion Enterprise Performance Management System Backup and Recovery Guide.