摘要：
1.多列建立索引SQL> create index dex_index2 on dex(sex,name);Index created.SQL> select object_name,object_type from user_objects;OBJECT_NAME ... 阅读全文
摘要：
转载 http://blog.sina.com.cn/s/blog_5376c7190101hvvb.html如下：select * from user_indexes where table_name='表名';select * from user_ind_columns where index_... 阅读全文