Answer / isha

Ralph Kimball's dimensional design approach (the bottom-up design): The data marts facilitating reports and analysis are created first; these are then combined together to create a broad data warehouse. Inmon defines data warehouse as a centralized repository for the entire enterprise.

1.what is SDLC of a project,explain in detail? 2.what are dimensions,facts?what is confirmed dimensions? 3.what is the need of OLTP? when we have datawarehousing?

2 Answers   Accenture,

---

Clarify the aggregator change?

0 Answers  

---

If i done any modifications for my table in back end does it reflect in informatca warehouse or maping desginer or source analyzer?

2 Answers  

---

How can repository reports be accessed without sql or other transformations?

0 Answers  

---

I have a scenario with lookup table. in that lookup table have colomns, but i need to process only 10 colomns out of 50. Please te me how can we acheive it?

6 Answers   TCS,

---

my source is a comma delimited flatfile as eno, ename, sal 111,sri,ram,kumar,1000 and my target should be eno ename sal 111 sri ram kumar 1000 i.e; we need to eliminate the commas in between the data of a comma delimited file.

5 Answers   IBM,

---

What is meant by LDAP users?

0 Answers  

---

What is a parameter When and where do you them when does the value will be created

0 Answers  

---

Why use the lookup transformation ?

2 Answers   Informatica,

---

How to display session logs based upon particular dates. If I want to display session logs for 1 week from a particular date how can I do it without using unix. ?

0 Answers   CTS,

---

What are the Advantages of de normalized data?

3 Answers  

---

i have 2 flat files one table contains duplicates another one no duplicates.... so i need like this i don't want duplicates...pl's give me ans...

4 Answers   Keane India Ltd,

---