Blocks

Protecting an Oracle database from block corruption

Data can be corrupted in different ways, for example an I/O issue when reading data from the storage or a memory issue when updating data. The db_block_checking parameter allows to change the behavior of an Oracle database concerning block checking.

RMAN backup is failing due to “corrupt blocks”

Last week, I was not able to complete a backup because of the ORA-19566 error: “exceeded limit of 0 corrupt blocks”. Here is what you can do to fix it. Starting Point: backup error Here is(…)

Oracle Basics (2) – Data Storage

What is finally the primary objective of a database? Storing Data The question is, how Oracle makes it. For many beginners a confusing topic isto get the picture between physical storage and logical one. So how does it(…)