Answer Posted / prakash chandran

Row To columns
--------------

Use Normalizer Transformation


Column To Rows
--------------

SOURCE
------
ENO COL_HDR COL_VAL
------------------------
1 ENAME PRAKASH
1 ESAL 35000
2 ENAME SREE
2 ESAL 25000

OUTPUT
------
ENO ENAME ESAL
1 PRAKASH 35000
2 SREE 25000

MAPPING LOGIC
--------------

SRC -----> AGG -----> TGT

Use First Function in Aggegrator to convert the Column to
rows

In Aggegrator, Create two output columns and write the
following expression

Port Name Expression
--------- ----------
O_ENAME FIRST(COL_VAL,COL_HDR='ENAME')
O_ESAL FIRST(COL_VAL,COL_HDR='ESAL')

Please get back to me in case of queries.

Thx & Regards,
Prakash Chandran

5. How many repositories can we create in Informatica? 6. What is surrogate key? 7. What is difference between Mapplet and reusable transformation? 8. What is aggregate awareness? 9. Explain reference cursor? 10. What are parallel querys and query hints? 11. DWH architecture? 12. What are cursors? 13. Advantages of de normalized data? 14. What is operational data source (ODS)? 15. What is meta data and system catalog? 16. What is factless fact schema? 17. What is confirmed dimension? 18. What is the capacity of power cube? 19. Difference between PowerPlay transformer and power play reports? 20. What is IQD file? 21. What is Cognos script editor? 22. What is difference macros and prompts? 23. What is power play plug in? 24. Which kind of index is preferred in DWH? 25. What is hash partition? 26. What is DTM session? 27. How can you define a transformation? What are different types of transformations in Informatica? 28. What is mapplet? 29. What is query panel? 30. What is a look up function? What is default transformation for the look up function? 31. What is difference between a connected look up and unconnected look up? 32. What is staging area? 33. What is data merging, data cleansing and sampling? 34. What is up date strategy and what are th options for update strategy? 35. OLAP architecture? 36. What is subject area? 37. Why do we use DSS database for OLAP tools?

2713

---

what is the difference between cardinality and Nullability?

2941

---

what is session partitioning?

1878

---

What are your responsibilities as an etl tester?

1148

---

Can u access a repository created in previous version of Informatica?

1860

---

what is the meaning of upgradation of Repository?

3743

---

List few etl bugs?

933

---

Explain about the data integration suite features?

939

---

When do we analyze the tables? How do we do it?

957

---

tell me few points when u become TL

2531

---

Explain the difference between etl tool and olap tools?

901

---

what is the use of structures?how many nodes can u create in a structure?

2237

---

Knowledge on what are the improtant characteristice that we need ot consider while developing an ETL Code

1990

---

What is a mapping, session, worklet, workflow, mapplet?

978

---

What is Data Vault???

2739

---