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【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术
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请设计一个流程来改善这个问题，必须包括：
1）分析淘宝卖家、买家和快递公司的痛点；
2）信息不对称设计；
3）（？？？不记得是什么了这个了）
1）用户痛点
淘宝买家：联系方式等信息泄露，经常收...
Error on renaming database in SQL Server 2008 R2
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In SQL Server Management Studio (SSMS):
You can also right click your database in the Object Explorer and go to Properties. From there, go to Options. Scroll all the way down and set Restrict Access to SINGLE_USER. Change your ...
SQL Update with row_number()
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Is this a brilliant answer, or is it brilliant that SQL Server can update within a nested SELECT? I think both are....
– Bigjim
Dec 8 '16 at 12:52
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How do you version your database schema? [closed]
How do you prepare your SQL deltas? do you manually save each schema-changing SQL to a delta folder, or do you have some kind of an automated diffing process?
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SQL Server: Maximum character length of object names
...s the maximum character length of object name (e.g. constraint, column) in SQL Server 2008?
3 Answers
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Hidden Features of SQL Server
What are some hidden features of SQL Server ?
84 Answers
84
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SQL query for today's date minus two months
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If you are using SQL Server try this:
SELECT * FROM MyTable
WHERE MyDate < DATEADD(month, -2, GETDATE())
Based on your update it would be:
SELECT * FROM FB WHERE Dte < DATEADD(month, -2, GETDATE())
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How to show SQL queries run in the Rails console?
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In Rails 3+ you can use ActiveRecord::Relation’s to_sql method:
User.where(:id => 3).to_sql
#=> "SELECT \"users\".* FROM \"users\" WHERE \"users\".\"id\" = 3"
share
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SQL Server equivalent of MySQL's NOW()?
I'm a MySQL guy working on a SQL Server project, trying to get a datetime field to show the current time. In MySQL I'd use NOW() but it isn't accepting that.
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How can i query for null values in entity framework?
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Workaround for Linq-to-SQL:
var result = from entry in table
where entry.something.Equals(value)
select entry;
Workaround for Linq-to-Entities (ouch!):
var result = from entry in table
where (value == null...