sql
select count(*) from user_tab_columns where lower(table_name)='e1opportunity';
applied and affected rows
Applied Rows For sources, shows the number of rows the Integration Service successfully read from the source. For targets, shows the number of rows the Integration Service successfully applied t...
look transformation tune
Persistent cache. If you want to save and reuse the cache files, you can configure the transformation to use a persistent cache. Use this feature when you know the lookup table does not change between...
performance tune in mapping
Complete the following steps to evaluate expression performance: Time the session with the original expressions.Copy the mapping and replace half of the complex expressions with a constant.Run and ti...
截取日期
在informatica 中,取日期的一部分,如月,日,年,可以直接用函数GET_DATE_PART,而不像在oracle,用to_char然后,转换什么的
nvarchar ,nclob with driver ODBC wire oracle
当degug成功,但是test,报莫明的错,改datatype nvarchar2-->varchar2 and so on
some notes
1. 当检查某一个值是否存在表中的字段值时,可以用这样思路select count(* ) from xxx where xx=xx通过对count(*)值的判断,来实现2. 解发器的使用Create [or replace] trigger xxx befo...
转换函数
1. to_char(date,str)把指定日期转换为字符,还可以截取到想要的内容,如单独的年,月,日select to_char(sysdate,'yyyy')from dual---2011select to_char(sysdate,'fmyyyy-mm-dd')from dual-- 2011-6-9 fm...
日期函数
1. Sysdate+n n代表的是天数 2. Months_between(arg1,arg2)返回两个日期之间相差的月的个数select months_between(to_date('20090228', 'yyyymmdd'), to_date('20080228', 'yyyymmdd')) as mon...
数值函数
1. Round(exp,[number])返回指定位数进行四舍五入的数值-- exp数值表达式,number四舍五入到几位小数,如无number参数,则是返回整数 eg--select round(22.4342,1) from dual---22.42. Mod(exp1,exp2)—求余...
字符函数
upper,lower,initcap,concat,||,length,Rpad1. Substr(str,a,b) a(从第几位开始,包括开始位),b(取的位数))eg--- select substr('AAAcccdddBBB',-4,1) from dual; ----d 2. Replace(str,str1,str2)...
myplan
对于现在公司的这个工作,自己实在是无语呢,没有任何进展,没有任何价值,磨灭了我以往的追求与激情,我决定了,不管以后,找的工作工资是多少,哪怕没有现在多,除非给我换工作,我决定要辞职呢,从今天开始着手准...
lookup transformation
lookup transformation“L” denotes Lookup port“R” denotes port used as a return value (unconnected Lookup only)There can be only one return portUsageGet related valuesVerify if records exists or&n...
some transformation notes_2
All the folders should be closed for assigning workflows to Integration Service Recover -- recovers a suspended Workflow after a failed Task is corrected from the point of failure Abort has a...
some transformations notices
SQ是同类数据源,joiner可以是同类也可以是异类 如果数据源的表来自于不同的数据库,或者有一方是flat file,那么在joiner中,不可以写SQLThe Joiner does not accept input in the following situations:Both in...
Object Shortcuts
Object Shortcuts 首先folder--->edit,options allow shortcut selected 当从那个有手拖着的那个文件夹,copy sth to other folders ,it will shows the below information
repository service
repository service is a multi-threaded process and can run on mulitiple machcines or nodes in the domail.each process is called a repository service process. 一个repository可以位于多台电脑或者n...
decision task用法
decision用法通过条件选择,决定the way的走向 在decision里设置条件,而向下一个session的link中用判定条件xxx.conditon=true/false(是condition而不是status) 如果在decision task 前面是两个并行的task...
变量单双引号的不同
session log error的处理
2>/dev/null----Linux中的回收站,就是把不需要的信息直接输入到那儿.帮助命令查找man/info +command 当主程序的session log出现错误时,需要归纳总结出来一些错误的信息,此时,可以用写shell script. 筛...