why two fields "email" and "lowered email" in table aspnet_memebership?

From: "Dan" <danperrt@xxxxxxxxx>
Date: Wed, 18 Apr 2007 12:07:12 +0200

Hi,

in table aspnet_membership of ASPNETDB.MDF, there are two fields "email" and
"lowered email" with the same value for each user.

Can somebody tell me what's the function of that second field?

Thanks
Dan

.

Follow-Ups:
- Re: why two fields "email" and "lowered email" in table aspnet_memebership?
  - From: Hari Prasad

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