oracle 模糊查詢忽略大小寫

select * from c_table t where upper(t.name) like '%F%';--將字段全轉成大寫

select * from c_table t where lower(t.name) like '%f%';--將字段全轉成小寫

select * from c_table t where t.name like upper('%f%') or t.name like lower('%F%');