EthicalHacker03

4 ms·

1. 1.▲
   by EthicalHacker03 5y ago

   Use fixed width files instead... along with a good old COBOL copybook. Nothing beats parsing fixed width records performance-wise. You can auto-generate staging and persistence tables, ETL jobs and quality control with just the copybook as
2. 2.▲
   by EthicalHacker03 6y ago

   VISA (or Mastercard) do not 'run on top of' SWIFT. The net position of each VISA/MC institution will be transferred with SWIFT, but this is one payment with potentially millions of underlying card transactions.
3. 3.▲
   by EthicalHacker03 6y ago

   IKEA does. Their home grown ERP system run (ran?) on OpenVMS at each store [1]. [1] https://docplayer.net/48457150-I303-physical-to-virtual-serv...
4. 4.▲
   by EthicalHacker03 7y ago

   This. I work in a product role at a mid-size enterprise. I'm happy to involve anyone and everybody in high-level product discussions. But in order to do that you actually need some kind of insight into the business you're actually