Prevent error when dropping not existing sequences, creating existing users

Question

I have a bunch of sql scripts that create / drop sequences, users and other objects. I\'m running these scripts through liquibase, but they fail because oracle complains whe

Answer 1

I'd just use a PL/SQL anonymous block.

begin
   for x in (select sequence_name
             from   user_sequences
              where sequence_name in ('SEQ1','SEQ2' ... 'SEQn'))
   loop
      execute immediate 'drop sequence '||x.sequence_name;
   end loop;
end;
/