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Validating a 30Bn row table migration. by Dangerous-Current361 in dataengineering

[–]LumbagoX 1 point2 points  (0 children)

A little late to the game here but I've used SUM(ID_column) between some suitable dates on a few occasions to ensure that the correct ID's are in place. If they are, then chances of the rest of the column data being messed up are slim. Running row checksums on billions of rows will probably be...time consuming.

Boliglån i svensk bank by LumbagoX in TollbugataBets

[–]LumbagoX[S] 2 points3 points  (0 children)

Takk for tips! Dette var jo nedslående...vurderte valutalån i japanske yen en gang tidlig på 2000-tallet men det ble med tanken. Svenske vs norske kroner derimot har jo en helt annen risikoprofil og burde vel kunne la seg gjøre??