1.why we need to use unconnected transformation?
2.where we can static chach,dynamic chach
Answers were Sorted based on User's Feedback
Answer / rahul
In Lookup transformation;
Unconencted is used when ever u want to call the same
transformation several times and u have one return port.
Use dynamic cache if u want to update the case while
updating the target table itself and static is untouched
with the cache.
Is This Answer Correct ? | 6 Yes | 1 No |
Answer / sreenu
Unconnected lkp is used for the performance preps bcz hear
we can return only one port and also it is not participated
in mapping directly in ulkp we can use only static cache.
Static cache: static cache is used in unconnected lkp, once
the data is cached it won’t modified.
Dynamic cache: in connected lkp we can use dynamic lkp. By
the use of dynamic lkp we can capture the changed
data.becage dynamic cache is automatically update the
cached data
Is This Answer Correct ? | 4 Yes | 0 No |
Answer / satyam
We use an unconnected transformation when we need one
return column from each row and it receives values from:
LKP expression from another transformation.
Is This Answer Correct ? | 1 Yes | 0 No |
where does the default group roew in a router is stored what is the default size of memory in router
I am having a table with columns ID NAME 1 x and the requirement is to get the o/p like this 1 y ID Count(*) 1 z 1 3 2 a 2 2 2 b 3 c so write a sql query to get the id n how many times its count of repetition n there u shouldn't get the distinct(i.e id-3) Reply as early as possible
what is lookupoverriding?
Any one can tell me how to explain puss-down optimization ? explain me with example plz?
What is update strategy transform?
 Code page compatibly –Where all changes are made to handle the scenario.
What is parameter file?
what is shortcut in informatica? difference between shortcut,reusable object?
my table contain duplicate Records i wanna load uniq records to my table . i have to pass the uniq records through filter t/r how?
Scenario:- Below is the requirement. Source:- NAME ID Requirement RAVI 1 (no need to repeat as it ID is 1) KUMAR 3 (repeat 3 times as it ID is 3) John 4 (repeat 4 times as it ID is 4) Required Out Put:- Name ID RAVI 1 KUMAR 3 KUMAR 3 KUMAR 3 John 4 John 4 John 4 John 4 Scenario 2:- Source Data ID NAME 1,2 NETEZZA,ORACLE 3,4,5 SQL Server, DB2, Teradata Required Output:- ID NAME 1 NETEZZA 1 ORACLE 3 SQL Server 3 DB2 3 Teradata
Partition, what happens if the specified key range is shorter and longer
how to obtain performance data for individual transformations.