上原题：You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stoppin...
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其他好文 时间：
2015-04-03 23:41:42
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完整性及约束数据完整性：数据完整性是指数据的精确性和可靠性。它是应防止数据库中存在不符合语义规定的数据和防止因错误信息的输入输出造成无效操作或错误信息而提出的。SQLServer提供了一些工具来帮助用户实现数据完整性，其中最主要的是：约束（Constraint）、和触发器（Tr..
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数据库 时间：
2015-04-03 06:53:44
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280
1 题目You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stoppin...
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其他好文 时间：
2015-04-02 20:46:19
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131
1.查询主键(P)，外键（R）select cu.*,au.constraint_type from user_cons_columns cu, user_constraints au where cu.constraint_name = au.constraint_name and cu.cons...
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数据库 时间：
2015-04-02 18:03:27
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173
oracle约束constraint隐式索引 VS 先建索引后建约束使用索引 有啥不同？
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数据库 时间：
2015-04-01 19:54:45
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188
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo...
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其他好文 时间：
2015-04-01 17:05:33
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114
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo...
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其他好文 时间：
2015-04-01 14:48:14
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110
declare @trun_name varchar(500) declare name_cursor cursor for--禁用外键--select 'ALTER TABLE [' + name + '] NOCHECK CONSTRAINT all ' from sysobject...
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其他好文 时间：
2015-04-01 09:22:15
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You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo...
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其他好文 时间：
2015-04-01 01:37:01
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94
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent house...
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其他好文 时间：
2015-03-31 22:34:11
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227
