📣 speedcoder

2021 Longest running database-backed app in production?

What is the longest running database-backed app still in production in 2021? What language, database, and OS is being used for it? COBOL? DB2? z/OS?

👤 akadruid1 Accepted Answer ✓

Probably https://en.m.wikipedia.org/wiki/Sabre_(computer_system), running since 1960. It ran on System/360 for decades, maybe still does.

👤 IvyMike

The IRS IMF has got to be up there: https://en.wikipedia.org/wiki/Individual_Master_File

👤 iostweaks

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