hi dba ,
I went through the same problem here,where I reverse engineered a system
with no relations or integrity constraints and it was hell,since I guessed the
business rules and asked people from anywhere about the business of this
system,I don't want to remember this period of my life.
I 'm not depressing you,but it is really a very big effort.
I remember the ERD when when printed it,it was like the islands,no single
relation ship ever!!!
good luck
tortured dba
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