Systems that use sequential master files employ a backup technique called destructive update.

Name: Systems that use sequential master files employ a backup technique called destructive update.
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In systems that use sequential master files, the backup technique typically involves creating a new master file with the updated information while retaining the old master file, rather than overwriting or destroying the old data. This is known as a non-destructive update.

Systems That Use Sequential Master Files Employ a Backup Technique