文档解释ORA-40221: maximum target cardinality exceededCause: The target cardinality of the training data was too
文档解释ORA-22953: Cardinality of the input to powermultiset exceeds maximum allowedCause: The cardinality of the input
文档解释ORA-22955: The cardinality parameter is not within the allowed limitsCause: The cardinality parameter has to be
5.3 B+ 树B+ 树是为磁盘或其他直接存储辅助设备设计的一种平衡查找树。在B+树中,所有记录都是按照键值大小顺序存放在同一层的叶子节点上,由叶子节点指针进行连接,双向链表连接。5.3.1 B+ 树的插入操作考虑一下三种情况:Leaf Page满Index