Failed and pending requests (submission date) %2 - Expired and revoked certificates (expiration date) %3 - Extension table ...

%1 -- Failed and pending requests (submission date)
%2 -- Expired and revoked certificates (expiration date)
%3 -- Extension table
%4 -- Attribute table
%5 -- CRL table (expiration date)

To delete failed and pending requests submitted by January 22, 2001:
    1/22/2001 %1
To delete all certificates that expired by January 22, 2001:
    1/22/2001 %2
To delete the certificate row, attributes and extensions for RequestId 37:
    37
To delete CRLs that expired by January 22, 2001:
    1/22/2001 %5