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comparing two tables data [message #37190]

Wed, 23 January 2002 12:04

Subra
Messages: 5
Registered: December 2000

Junior Member

Is there any utility to compare data in two different schemas in
Oracle.
For eg I have schema A -> table A and Schema B -> table A.
I would like to compare table A in both these schemas to know if anything changed or if they are the same.
The table in both the schemas have exactly the same structure. The data in it could be same or different.

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Re: comparing two tables data [message #37192 is a reply to message #37190]

Wed, 23 January 2002 13:42

Todd Barry
Messages: 4819
Registered: August 2001

Senior Member

You'll need to run both of these (a - b, b - a):

select *
  from a.a
minus
select *
  from b.a

and

select *
  from b.a
minus
select *
  from a.a

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