Answer / veera reddy

Basically there are two types of architectures.
1. Top Down(Dependent) and 2. Bottom up(Independent)

In Top Down approach initially DW comes and then DM.
In Bottom Up approach intially DM comes and then DW.

Answer / praveen kumar

step-01------>source to staging
step-02------>staging to dimension
step-03------>dimension to fact

This is the general procedure.........

Answer / rekha

PROJECT PLANNING
REQUIREMENTS GATHERING ---PRODUCT SELECTION AND INSTALLTION

DIMESIONAL MODELING --- PHYSICAL
MODELING ---- DEPLOYMENT --- MAINTENANCE

IN EASY TREMS FOR DIMENSIONAL MODELING
1. SELECT THE BUSINEE PROCESS
2 IDENTIFY THE GRANINS
3 . DESIGN THE DIMENSION TABLE
4 . DESIGN THE FACT TABLE
ONCE THESE 4 STPE ARE OVER IT WILL MOVE TO PHYSICAL
MODELING
IN PHYSICAL MODELING U APPLY THE ETL PROCESS AND
PERFORMANCE TECHNOQUES .

Answer / bsgsr

i simply put this way.
source to staging
staging to dwh

Answer / kumarapillaietl@gmail.com

first we integrate data into source to staging tables, from staging we movie into work table at the data moment of stage to work we do all transformation logic , then from work table we load data into fact and dimention table using scd 2.

What are the unsupported repository objects for a mapplet?

1 Answers   Informatica,

Repository user profiles

0 Answers  

What is the method of seperating unique and duplicate records in session level?

2 Answers   Emphasis, JBL, Wipro,

we have a parameter file in Unix location where we have .txt files and those file will be used as source in informatica. I cannot use source file name directly as file name will keep on changing in unix location. I need to define $$InputFile as parameter. Can anybody send me the parameter file and the steps to handle this.

2 Answers   Infosys, TCS,

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,

I have 100 records in source table, but I want to load 1, 5,10,15,20…..100 into target table. How can I do this? Explain in detailed mapping flow.

0 Answers  

write sql query following table amount year quarter 1000 2003 first 2000 2003 second 3000 2003 third 4000 2003 fourth 5000 2004 first 6000 2004 second 7000 2004 third 8000 2004 fourth i want the output year q1_amount q2_amount q3_amount q4_amount 2003 1000 2000 3000 4000 2004 5000 6000 7000 8000

1 Answers   HP,

Why we use partitioning the session in informatica?

2 Answers  

Can anyone give some input on "Additional Concurrent Pipelines for Lookup Cache Creation" ? I know that this property is used to build caches in a mapping concurently. But which values should I set into this ( i.e. 1 or 2 or 3 or something else ) for concurrent cache building ?

1 Answers   Wipro,

What are the different threads in DTM process?

2 Answers  

my source like dis 10,asd,2000 10,asd,2000 10,asd,2000 20,dsf,3000 20,dsf,3000 20,dsf,3000 like dis and my requirement is first record is inserted into first target and duplicates of first record is inserted into second target ...like dis way ...? how to achieve dis?

4 Answers   Mind Tree, Polaris,

HOW TO GET THE LATEST DATA IN SCD ?

4 Answers   TCS,