Stored procedures reverse engineering

Question

We\'re having problem with a huge number of legacy stored procedures at work. Do you guys recommend any tool the can help better understand those procedures? Some kind of re

Answer 1

This isn't real deep or thorough, but I think that if you're using MS SQL Server or Oracle (Perhaps Nigel can help with a PL-SQL sample)...Nigel is on to something . This only goes 3 dependencies deep, but could be modified to go however deep you need. It's not the prettiest thing...but it's functional...

select 
    so.name + case when so.xtype='P' then ' (Stored Proc)' when so.xtype='U' then ' (Table)' when so.xtype='V' then ' (View)' else ' (Unknown)' end as EntityName, 
    so2.name + case when so2.xtype='P' then ' (Stored Proc)' when so2.xtype='U' then ' (Table)' when so2.xtype='V' then ' (View)' else ' (Unknown)' end as FirstDependancy,
    so3.name + case when so3.xtype='P' then ' (Stored Proc)' when so3.xtype='U' then ' (Table)' when so3.xtype='V' then ' (View)' else ' (Unknown)' end as SecondDependancy,
    so4.name + case when so4.xtype='P' then ' (Stored Proc)' when so4.xtype='U' then ' (Table)' when so4.xtype='V' then ' (View)' else ' (Unknown)' end as ThirdDependancy
from 
  sysdepends sd 
    inner join sysobjects as so on sd.id=so.id 
    left join sysobjects as so2 on sd.depid=so2.id
    left join sysdepends as sd2 on so2.id=sd2.id and so2.xtype not in ('S','PK','D')
    left join sysobjects as so3 on sd2.depid=so3.id and so3.xtype not in ('S','PK','D')
    left join sysdepends as sd3 on so3.id=sd3.id and so3.xtype not in ('S','PK','D')
    left join sysobjects as so4 on sd3.depid=so4.id and so4.xtype not in ('S','PK','D')
where so.xtype = 'P' and left(so.name,2)<>'dt'
group by so.name, so2.name, so3.name, so4.name, so.xtype, so2.xtype, so3.xtype, so4.xtype