Minimum Inversion Number Description The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i < j and ai > aj. For a given sequence of numbers a1, a2, ..., an, if we move the first m > 0 nu…
主题 1、 禁用索引 alter index index_name on table_name disable; 主题 2、 删除索引 drop index table_name.index_name; 转载于:https://www.cnblogs.com/JiangLe/p/4007095.html