This function comapres two tables.
It's easy to write a cycle for tables in two schemas.
Enjoy it.
Jan Pruner
create function compare_tables( tbl1 VARCHAR2, tbl2 VARCHAR2) return NUMBER
/* Function compares content of two identical tables
|| tbl1, tbl2 are names of tables in format owner.table_name
|| 2001, Jan Pruner
*/
AS
cnt1 number;
cnt2 number;
cnt3 number;
res number;
sql_stmt varchar2(100);
begin
-- count of tuples in 1. table
sql_stmt := 'select count(*) into cnt1 from :1';
EXECUTE IMMEDIATE sql_stmt USING tbl1;
-- count of tuples in 2. table
sql_stmt := 'select count(*) into cnt2 from :1';
EXECUTE IMMEDIATE sql_stmt USING tbl2;
-- count of tuples in union of tables
sql_stmt := 'select count(*) into cnt3 from ( select * from :1 UNION select *
from :2) t';
EXECUTE IMMEDIATE sql_stmt USING tbl1, tbl2;
if (cnt1 = cnt2) and (cnt2 = cnt3) then
res := 0 ;
else
res := 1 ;
end if;
return res;
end;
> From: "Rao, Maheswara" <[EMAIL PROTECTED]>
>
> >Reply-To: [EMAIL PROTECTED]
> >To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> >Subject: Comparing data between two tables in two schema
> >Date: Mon, 01 Oct 2001 12:29:41 -0800
> >
> >List,
> >
> >I have two schema. The tables in both schema are having same name and
> >structures.
> >
> >Is there any tool to compare the data between two schema tabels?
> >
> >Thanks,
> >
> >Rao
--
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--
Author: Jan Pruner
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