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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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vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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设置引用文件目录:F:\Develop\BoostlibAndDll\lib
完成后，可以使用。
【三、介绍Bjam使用】
Usage:
Bjam [options] [properties] [install|stage]
install Install headers and compiled library files to the
======= configured ...
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...
How do I drop table variables in SQL-Server? Should I even do this?
... or varchar variables
The scope of a variable is the range of Transact-SQL statements that can reference the variable. The scope of a variable lasts from the point it is declared until the end of the batch or stored procedure in which it is declared.
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How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
...convert your parameters to VARCHAR before trying to concatenate them. When SQL Server sees @my_int + 'X' it thinks you're trying to add the number "X" to @my_int and it can't do that. Instead try:
SET @ActualWeightDIMS =
CAST(@Actual_Dims_Lenght AS VARCHAR(16)) + 'x' +
CAST(@Actual_Dims_W...