ok, the some statistics about designer/2000 - this is comercial product intended to help develop good db's. Lets look into the product itself:

table: SDD_ELEMENTS
no of columns: 184

some column names:
EL_2ND_WITHIN_ID
EL_2ND_WITHIN_NAME
EL_3RD_WITHIN_ID
EL_4TH_WITHIN_ID
EL_5TH_WITHIN_ID
EL_6TH_WITHIN_ID
EL_7TH_WITHIN_ID
EL_8TH_WITHIN_ID
EL_9TH_WITHIN_ID

EL_USRX0
EL_USRX1
EL_USRX2
EL_USRX3
EL_USRX4
EL_USRX5
EL_USRX6
EL_USRX7
EL_USRX8
EL_USRX9
EL_USRX10
EL_USRX11
EL_USRX12
EL_USRX13
EL_USRX14
EL_USRX15
EL_USRX16
EL_USRX17
EL_USRX18
EL_USRX19


any more questions?
But damn, I understand those developers.