https://docs.oracle.com/cd/F19136_01/sqlrf/CREATE-INDEX.html
drop table tab1 purge;
create table tab1(col1 int, col2 int);
create index ind1 on tab1(col2);
select * from user_indexes where table_name like 'TAB%';
https://docs.oracle.com/cd/F19136_01/sqlrf/CREATE-INDEX.html
drop table tab1 purge;
create table tab1(col1 int, col2 int);
create index ind1 on tab1(col2);
select * from user_indexes where table_name like 'TAB%';