SQL> select  banner
  2    from  v$version
  3  /

BANNER
--------------------------------------------------------------------------------
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
PL/SQL Release 12.2.0.1.0 - Production
CORE    12.2.0.1.0      Production
TNS for 64-bit Windows: Version 12.2.0.1.0 - Production
NLSRTL Version 12.2.0.1.0 - Production

SQL> create table tbl
  2    as
  3      select * from emp
  4  /

Table created.

SQL> create materialized view log
  2    on tbl
  3    with rowid
  4    including new values
  5  /

Materialized view log created.

SQL> create materialized view tbl_mv
  2  refresh fast
  3  on demand
  4  with rowid
  5  as
  6  select  tbl.*,
  7          rowid rid
  8    from  tbl
  9  /

Materialized view created.

SQL> create table tbl_new
  2    as
  3      select * from dept
  4  /

Table created.

SQL> begin
  2      DBMS_MVIEW.BEGIN_TABLE_REORGANIZATION(USER,'TBL');
  3  end;
  4  /

PL/SQL procedure successfully completed.

SQL> alter table tbl
  2    rename to tbl_old
  3  /

Table altered.

SQL> alter table tbl_new
  2    rename to tbl
  3  /

Table altered.

SQL> begin
  2  DBMS_MVIEW.END_TABLE_REORGANIZATION(USER,'TBL');
  3  end;
  4  /

PL/SQL procedure successfully completed.

SQL>