我的csv文件中有一个名为DateOfBirth的列,带有Excel Date Serial Number Date
例:
36464
37104
35412
Run Code Online (Sandbox Code Playgroud)
当我在Excel中格式化单元格时,这些单元格被转换为
36464 => 1/11/1999
37104 => 1/08/2001
35412 => 13/12/1996
Run Code Online (Sandbox Code Playgroud)
我需要在SSIS或SQL中进行这种转换.怎么能实现这一目标?
如何检查值IS NULL [or] = @param
(@param为null)
例如:
Select column1 from Table1
where column2 IS NULL => works fine
Run Code Online (Sandbox Code Playgroud)
如果我想用@param替换比较值(IS NULL).如何才能做到这一点
Select column1 from Table1
where column2 = @param => this works fine until @param got some value in it and if is null never finds a record.
Run Code Online (Sandbox Code Playgroud)
这怎么能实现?
如何查找依赖于表的特定列的对象.
例如:
表:SomeTable
Cols:col1 pk,col2,col3
我想找到所有依赖于col1的对象(Pk)
我如何转换BlobColumn
为String
in SSIS Script Component
.
例如:
Source Column : OrganisationProviderID NVARCHAR(MAX)
Destination Column : OrganisationProviderID VARCHAR(20)
Run Code Online (Sandbox Code Playgroud)
如何实现这一目标SSIS Script Component
?
我在我的机器上安装了SQL Server 2012,并且我有SSDT来创建BI项目.
今天我安装了Visual Studio 2012; 但我无法在Visual Studio 2012中创建任何BI项目.有没有办法在VS 2012中打开BI(SSIS/SSAS/SSRS)项目,或者我是否必须始终返回SSDT打开它们.
什么等于LINQ中的sql以下
select MIN(finishTimestamp) AS FromDate, MAX(finishTimeStamp) AS ToDate From Transactions
Run Code Online (Sandbox Code Playgroud)
??
from t in Transactions
select new {
FromDate = ?,
ToDate = ?
}
Run Code Online (Sandbox Code Playgroud)
谢谢
WCF新手.
DataContact类可以从Interface继承吗?
例如:
[DataContract(Namespace = ...........)]
public class VesselSequence : IVesselSequence
{
[DataMember]
public int AllocationId { get; set; }
[DataMember]
public string ScenarioName { get; set; }
}
interface VesselSequence : IVesselSequence
{
public int AllocationId { get; set; }
public string ScenarioName { get; set; }
}
Run Code Online (Sandbox Code Playgroud) 我有这个包装,自一年或更长时间以来一直运行良好.突然间,它已经低于错误.虽然重新启动它是成功的.如何调试此问题并防止再次发生.
Executed as user: xxxxx. Microsoft (R) SQL Server Execute Package Utility Version
10.0.2531.0 for 64-bit Copyright (C) Microsoft Corp 1984-2005. All rights reserved.
Started: 7:15:08 AM Error: 2011-07-07 07:15:08.62 Code: 0xC0010018 Source:
Description: Error loading value "
<DTS:VariableValue xmlns:DTS="www.microsoft.com/SqlServer/Dts"
DTS:DataSubType="ManagedSerializable"
DTS:DataType="13"><SOAP-ENV:Envelope
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:SOAP-ENC="htt" from node "DTS:VariableValue".
End Error
Error: 2011-07-07 07:15:08.62 Code: 0xC0010018 Source:
Description: Error loading value
"<DTS:Variable xmlns:DTS="www.microsoft.com/SqlServer/Dts">
<DTS:Property DTS:Name="Expression"></DTS:Property>
<DTS:Property DTS:Name="EvaluateAsExpression">0</DTS:Property>
<DTS:Property DTS:Name="Namespace">User</DTS:Property>
<DTS:Property DTS:Name=" from node "DTS:Variable".
End Error
Could not load package "d:\edw\edw\trunk\src\etlHandler\HDL\DropZoneJobHandler.dtsx" …
Run Code Online (Sandbox Code Playgroud)