一、给一个用户下的表批量增加主键约束，复制出来在command 中执行select 'alter table '||table_name||' add constraint '|| 'pk_'||table_name ||' primary key(id);' from user_tables .....
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其他好文 时间：
2015-04-17 15:20:01
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110
--查询各表主键情况select a.table_name, a.tablespace_name, b.constraint_name from user_tables a left join user_constraints b on a.table_name = b.table_nam...
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其他好文 时间：
2015-04-17 15:17:50
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107
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：
2015-04-16 23:30:36
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126
DescriptionInputOutputSample Input输入1：add2输入2：xzx0Sample Output输出1：28输出2：1Data Constraint首先有一个40分dp的解法， 设f[i][l][r]表示回文串已填了i位，给出串从左边匹配到第l位，右边匹配到第r位的方案...
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其他好文 时间：
2015-04-16 23:13:53
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211
题目描述：
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 adjacen...
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其他好文 时间：
2015-04-16 10:22:38
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141
题目链接：house-robber
/**
*
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 ...
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其他好文 时间：
2015-04-15 09:41:38
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118
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：
2015-04-14 12:58:15
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129
在已经使用的数据库表上，为字段添加unique属性，会报错：ORA-02299.SQL> create index uaccount_inx on userss(uaccount); Index created SQL> alter table userss add constraint uacco...
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其他好文 时间：
2015-04-13 20:47:52
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124
-- 创建测试表
-- DROP TABLE FullTextIndexing
CREATE TABLE FullTextIndexing
(
ID INT IDENTITY(1,1) NOT NULL,
Sentence VARCHAR(MAX)
)
-- 创建聚集索引
ALTER TABLE FullTextIndexing ADD CONSTRAINT PK_FullTextIndex...
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数据库 时间：
2015-04-13 09:28:20
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232
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：
2015-04-12 06:42:08
阅读次数：
113
