declare
    object_exists exception;
    pragma exception_init (object_exists , -00955);
begin
  execute immediate
	'CREATE TABLE FLYWAY_SCRIPTS (
		NOME VARCHAR2(100) NOT NULL,
		SQL CLOB NOT NULL,
		OBSERVACAO VARCHAR2(500),
		FECMODIF DATE, 
        PRIMARY KEY (NOME)
	)';
	
  exception when object_exists then null;
end;