Answer / guest

BY USING FIRST FUNCTION, TO GET THE 1ST RECORD,
TO GET THE LAST RECORD , SIMPLY USE AGGREGATE
TRANSFORAMATION IN THIS DO NOT APPLY GROUP BY FUNCTION BY
DEFALUT IT WILL GENERATE LAST RECORD
OR
USE RANK TRANS
IN =>PROPERTIES NO OF TOP RANKS:1
NO OF BOTTOM RANKS:LAST RECORD

Answer / chandrasekar

I took the EMP table and we can use the below query in the
SQL override,

select * from emp where rownum=1 union select *
from emp where rowid=(select max(rowid) from
emp);

it will work.

Answer / kiran

take two rank transformations and take reusable sequence
generator connect the next value to both rank transformations
and in the rank transformations properties for the first one
take top and number of ranks as 1 for the second take bottom
and number of ranks 1 at the last take two instances of tgt
connect the ranktrans to two instances

in my lookup table i want to catch the recently updated records from the source to target,how to achieve this and what is last commit interval point for this?

2 Answers   Thomson Reuters,

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Debugger what are the modules, what are the options you can specify when using debugger, can you change the expression condition dynamically when the debugger is running.

0 Answers  

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scenario: dept_no emp_nem 10 A, 10 B, 10 C, 10 D, 20 P, 20 Q, 20 R, 20 S output: dept_no emp_nem 10 A, 10 AB, 10 ABC, 10 ABCD, 20 ABCDP, 20 ABCDPQ, 20 ABCDPQR, 20 ABCDPQRS

1 Answers  

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What if we sort the data in descending order instead of increasing order in sorter t/f and send the data in aggregator t/f is there any performance downfall? Please answer below. thank you.

4 Answers   JPMorgan Chase,

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what is dimension table?

17 Answers  

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i have two source data there is no pk,fk how to join the two sources

5 Answers   TetraSoft,

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Suppose on 1st Nov 2010 you had created a mapping which includes huge aggregator calculations and it is under process for next two days. You will notice that even on 3rd day also its still calculating. So without changing a logic or changing a mapping How will you troubleshot or to run that mapping? Explain the steps

0 Answers  

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How u use pdf file in informatica source?

2 Answers   Ericsson, HP, IBM,

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how can u generate sequence of values in which target has more than 2billion of records.(but with sequence generator u can generate upto 2 biliion only)

6 Answers   Accenture,

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I have a condition sal=100 and I created one router and in that two groups g1 and g2 in g1 Sal<=100 and g2 Sal>=100, first which condition will satisfy, and Why?

11 Answers  

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IN A MAPPING WHEN WE USE AGGRIGATER TRANSFORMATION WE WILL USE GROUP BY PORT. IF GROUPBY IS NOT SELECTED BY DEFAULT IT WILL TAKE ONLY THE LAST COLUMN WHY????

3 Answers   IBM,

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Could any one to tell How to use the Oracle Analytic functions in Informatica?

1 Answers  

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