摘要：
The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BST) i 阅读全文
摘要：
1 --游标知识点 2 --1、 在SELECT 语句中使用DISTINCT、 GROUP BY、 HAVING UNION 语句时， 游标将自动设定INSENSITIVE 选项。 3 --2、SCROLL 表明所有的提取操作（如FIRST、 LAST、 PRIOR、 NEXT、 RELATIVE、 阅读全文
摘要：
1151 LCA in a Binary Tree (30 分) The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descenda 阅读全文