need help to find column ID to market sql tables in a diagram

I want to build a query that will walk all tables in a schema in a loop and compare every possibility to associate it with an ID column

I need to know what are the tables have a result where the number of lines with names of columns ID is > 0, then show that only those who were the tables & how many match. I don't know the name of the columns ID, so that does not need to be a variable

Something along the idea of (not even close to real SQL but I hope that the idea comes through)

for i = 1 to the last-1 table
for j = 2 to the last table

Select
i table_name
j table_name
County (id_column)
Of
Table i
Table j
where
i.id_column = j.id_column

Next I
Next j

then to take all lines that result and get rid of those who have zero counties

Thank you

-----
Edit
----
I seem to have bad to convey my idea, I'll try again
I can write this:
--
Select count (id_column)
Table i table j
where i.ID = j.ID
--
and I can put in each pair of tables for the entire schema, but I don't want to really put 250 + names in this pair and go through all the possibilities of each pair of tables, I'm expecting something that looks like this when finished,

County of table table
----------------------------------------
customer address 500
phone customer 1000
customers accounts 300
Chargers cusomers 0
senders address 50
......

Published by: user7733176 on January 4, 2011 04:52

user7733176 wrote:
---
Select count (id_column)
Table i table j
where i.ID = j.ID
----

select  a.table_name,
        b.table_name,
        extractvalue(
                     xmltype(
                             dbms_xmlgen.getxml(
                                                'select  count(*) cnt ' ||
                                                '  from  ' || a.table_name || ' a,' ||
                                                '        ' || b.table_name || ' b' ||
                                                '  where b.id = a.id'
                                               )
                             ),
                     '/ROWSET/ROW/CNT'
                    ) cnt
  from  user_tab_columns a,
        user_tab_columns b
  where a.table_name > b.table_name
    and a.column_name = 'ID'
    and b.column_name = 'ID'
  group by a.table_name,
           b.table_name
  having extractvalue(
                      xmltype(
                              dbms_xmlgen.getxml(
                                                 'select  count(*) cnt ' ||
                                                 '  from  ' || a.table_name || ' a,' ||
                                                 '        ' || b.table_name || ' b' ||
                                                 '  where b.id = a.id'
                                                )
                              ),
                      '/ROWSET/ROW/CNT'
                     ) > '0'
  order by a.table_name,
           b.table_name
/

SY.

Tags: Database

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