security purposes on a production database
In that case DO NOT REPLACE THEM!!!!!
If you replace them with random numbers, they'll be gone.
Instead, use encryption. That way, you can get them back for authorized, appropriate use, but can hide them from unauthorized use.
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
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"Nobody knows the age of the human race, but everyone agrees it's old enough to know better." - Anon