--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
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248
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...
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其他好文 时间:
2015-05-13 19:42:48
阅读次数:
143
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...
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数据库 时间:
2015-05-13 19:40:22
阅读次数:
166
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...
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其他好文 时间:
2015-05-13 19:34:46
阅读次数:
239
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
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 =...
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编程语言 时间:
2015-05-13 19:29:28
阅读次数:
126
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
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...
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其他好文 时间:
2015-05-13 18:59:35
阅读次数:
619
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 { * ...
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其他好文 时间:
2015-05-13 18:47:08
阅读次数:
114
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...
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其他好文 时间:
2015-05-13 18:37:24
阅读次数:
92