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oracle 11g drop table 后闪回
--初始化数据 drop table test purge; create table test as select * from dba_objects; delete from test where object_id is null; alter table test add constraint pk_test_object_id primary key(object_id); ...
分类:数据库   时间:2015-05-13 19:46:55    阅读次数:248
maximum-depth-of-binary-tree
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node./** * Definition for binary tree * stru...
分类:其他好文   时间:2015-05-13 19:42:48    阅读次数:143
SqlServer中把结果集放到到临时表的方法
一. SELECT INTO 1.使用select into会自动生成临时表,不需要事先创建 select * into #temp from sysobjects 01.把存储过程结果集SELECT INTO到临时表 select * from #temp 2.如果当前会话中,已存在同...
分类:数据库   时间:2015-05-13 19:40:22    阅读次数:166
gerrit: Error in POST /accounts/self/preferences
转载:https://code.google.com/p/gerrit/issues/detail?id=31571. Migrated from 2.8.6.1 to 2.102. In UI go to settings >> preferences3. change something and...
分类:其他好文   时间:2015-05-13 19:34:46    阅读次数:239
oracle同名存储过程被覆盖后如何恢复(转)
1、以SYSDBA登陆数据库 2、根据时间点查询快照SELECT * FROM source$ AS OF TIMESTAMP TO_TIMESTAMP('2014-02-24 05:10:32', 'YYYY-MM-DD HH24:MI:SS') where source like '%CP_E....
分类:数据库   时间:2015-05-13 19:30:48    阅读次数:134
javax.mail
摘抄1、首先定义一个邮件的数据结构类public class EmailData() { String from = null;//发件人String[] recipients = null;//收件人,可以多个String subject = null;//邮件主题String content =...
分类:编程语言   时间:2015-05-13 19:29:28    阅读次数:126
SQL 判断 ‘表,存储过程,函数 ...’ 已是否存在
下面为您介绍sql下用了判断各种资源是否存在的代码,需要的朋友可以参考下,希望对您学习sql的函数及数据库能够有所帮助。库是否存在if exists(select * from master..sysdatabases where name=N'库名')print 'exists'elseprint...
分类:数据库   时间:2015-05-13 19:14:41    阅读次数:165
[已解决]下载chromium源码 download_from_google_storage 无法下载文件
当使用 gclient runhooks 后出现下面的错误 File gs://chromium-gn/1088992877b3a13f25b61c8fc18e25296d8cab33 for src/buildtools/win/gn does not exist. 0> File gs://ch...
分类:其他好文   时间:2015-05-13 18:59:35    阅读次数:619
LeetCode: Construct Binary Tree from Preorder and Inorder Traversal
Title:Given preorder and inorder traversal of a tree, construct the binary tree.使用递归构建。/** * Definition for a binary tree node. * struct TreeNode { * ...
分类:其他好文   时间:2015-05-13 18:47:08    阅读次数:114
LeetCode: Binary Tree Level Order Traversal && Binary Tree Zigzag Level Order Traversal
Title:Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree...
分类:其他好文   时间:2015-05-13 18:37:24    阅读次数:92
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