Oracle下查看索引的语句

1. 查询一张表里面索引 

select * from user_indexes where table_name=upper(\'bills\'); 

2. 查询被索引字段 

select * from user_ind_columns where index_name=(\'in_bills\'); 

3. 给某一字段创建索引 

create index in_bills on bills(account_id);