Marat Bogatyrev talks checksums with us:
A key aspect of maintaining backup integrity is understanding data checksums. Without proper checksum validation, detecting data corruption becomes virtually impossible. Therefore, we will start with The Importance of Data Checksums.
Read on to learn more about how PostgreSQL, in particular, deals with checksums. SQL Server has similar functionality for pages and backup files and it’s worth knowing about and enabling checksum capabilities in both database platforms.