一. 官网说明 在MOS 上的一篇文章讲到了rebuild online 和offline的区别: Index Rebuild Is Hanging Or Taking Too Long [ID 272762.1] Symptoms:========= Performance issues while rebuilding very large indexes. The offline rebuilds of their index is relatively quick -fi
alter index index_name disable,enable针对函数索引. SQL> create table test as select * from all_objects; SQL> create index ind_t_object_id on test(object_id) nologging; SQL> exec dbms_stats.gather_table_stats(user,'test',cascade => true); SQL> set