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Our oracle db has various users with same schema. I would like to add a column to one table in those schemas. The same column to same table in every schema. I know that I can do that manually, like that

alter table user1.EMER_COMP add TELEFONE varchar2(20) NULL;

alter table user2.EMER_COMP add TELEFONE varchar2(20) NULL;

...

Is there an easier way to do this?

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  • You can generate the SQL using a query on Oracle catalog tables. Or write a procedure that uses dynamic SQL. Commented May 24, 2018 at 15:33

1 Answer 1

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begin
  for t in (select * from dba_tables where table_name = 'EMER_COMP')
  loop
    execute immediate 'alter table "' || t.owner || '"."' || t.table_name || '" add TELEFONE varchar2(20) NULL'; 
  end loop;
end;
/

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