It is not the destination so much as the journey, they say. 人家说目的地不重要,重要的是旅行的过程.<加勒比海盗>…
异常处理汇总-后端系列 http://www.cnblogs.com/dunitian/p/4523006.html 应用场景:ViewModel==>Mode映射的时候出错 AutoMappe r错误信息:Unmapped members were found. Review the types and members below.Add a custom mapping expression, ignore, add a custom resolver, or modify the sour…
---------------------------------------------------------------------------------------- Destination高级特性----->Composite Destinations 组合队列Composite Destinations : 允许用一个虚拟的destination代表多个destinations,这样就可以通过composite destinations在一个操作中同时向多个queue/topic发…
查看一个Package的历史Message 数据,发现 DataFlow Task 经常出错,错误信息的Description是: Description: "While reading current row from host, a premature end-of-message was encountered--an incoming data stream was interrupted when the server expected to see more data. The ho…
Ado Net Destination Component 使用Ado net Connection manager,其Data Access Mode 只有一种, table or view,组件的作用是将数据流插入到 table 或view 中. 当用户勾选Use Bulk Insert When Possible 时,Ado net destination component 在load 大批量数据时,可能会使用SqlBulkCopy 来提高insert的性能. 在Ado net dest…
在连接Oracle数据库时,如果使用Tnsnames.ora中配置的数据源名称有时会报 ORA-12543: TNS:destination host unreachable 异常,比如:在Tnsnames.ora中配置了如下数据源sundb = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.0.13)(PORT = 1522)) (CONNECT_DATA = (SERVER = DEDICATED) (SID = sundig…
I am learning Npgsql and PostgreSQL. I am unable to define the output parameter correctly. What am I doing wrong? Here is the function: CREATE OR REPLACE FUNCTION Insert_Customer_WithOutputParameter( IN _FirstName character varying DEFAULT NULL::char…
Sometimes when you intall vmwaretools there will be some problems such as "Unable to copy the source file ./installer/services.sh to the destination file /etc/vmware-tools." I tell you how to solves it. At beginning I want find solved ways on In…
开篇介绍 这一篇文章是 微软BI 之SSIS 系列 - 带有 Header 和 Trailer 的不规则的平面文件输出处理技巧 的续篇,在上篇文章中介绍到了对于这种不规则文件输出的处理方式.比如下图中的这种不规则文件,第一行,第二行 Header 部分,第三行的内容 Content 部分,最后一行的 Trailer 部分. 在前几个课程 微软BI SSIS 2012 ETL 控件与案例精讲 第43,44,45,46 课中,我分别讲解了如何使用 .Script Component Source 解…
Raw File Source & Raw File Destination一般用在当有某个package在导入数据或者处理数据需要花费非常长的时间的情况下,可以通过把一些处理好的数据先存到raw file里面,避免出现遇到错误而需要再重新来过的风险,起码可以去Raw file source里面找到数据而不需要从头开始.…