Answer / bsgsr

mappings can be tuned at diff transformations level.
ex; look up can be optimised by enabling the cache.
aggregator can be optimised by using sorted inout.
filter can be optimised by using it as close as possible
to the sql. so on

Answer / vdrona

Mapping can be tuned by identifying the following bottlenecks in order shown below.
1. Target Bottlenecks
2. Source Bottlenecks
3. Transformation/Mapping Bottlenecks
4. Session Bottlenecks
5. System Bottlenecks

two tables from two different databases r there . both having same structure but different data . how to compare these two tables ?

10 Answers   HP, Patni,

---

Do joiner transformation use cache? If so describe?

2 Answers   Patni,

---

hi,there is a scenario like. there are three columns empid,salmonth, sal contains the values 101,jan,1000 101 feb 1000 like twelve rows are there then my required out put is like contains 13 columns empid jan feb marc.......dec and the velues are 101 1000 1000 1000 like this . thank you

5 Answers   Patni,

---

guys which is the best institute in banglore to learn informatica??

2 Answers  

---

Howmany ways yoU can update a relational source defintion and what are they?

1 Answers  

---

Hi ETL gurus can any one tell me with a flow how to implement SCD Type 1 and SCD Type 2 in a single mapping.For some fields SCD type has to be implemented and for some fields scd type has to be implementd..Thank in advance..please let me know in case of any concerns...

1 Answers  

---

how u know when to use a static cache and dynamic cache in lookup transformation.

9 Answers   Accenture,

---

There are 3 groups in router transformation in which there are no conditions mentioned, so what happens if I connect these groups to the 3 targets? How many records gets into each target.(suppose if we are getting 10 records from the source)

4 Answers  

---

I HAVE 10 records in source. I want to store i record in target 1, second record in target 2, third record in target 3, 4 th record again in target 11, 5th again in target 2, 6th again in target3 etc.... how it is possible?

5 Answers   Syntel,

---

Explain grouped cross tab?

1 Answers   Accenture,

---

What is a router transformation?

0 Answers  

---

write sql query to remove null value following table id name 101 dinesh null jyothi null bharathi 102 suresh null shilpha 103 prakesh null suma i want the output id name 101 dinesh 102 suresh 103 prakesh

5 Answers   Accenture,

---