how to calculate sum(sal) with out using aggregator satge

3 Answers   HSBC,

---

What is mean by aggregate aware?

0 Answers  

---

What is the difference between OLAP, ROLAP, MOLAP and HOLAP?

2 Answers  

---

Explain the difference between dw and bi?

0 Answers  

---

How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.

1 Answers   IBM,

---

---

What are the steps to build the datawarehouse?

0 Answers  

---

Explain why denormalization is promoted in universe designing?

0 Answers  

---

What are different stages of ?Data mining??

1 Answers  

---

What is the difference between an ODS and a W/H?

1 Answers   Barclays,

---

what are the different views that are considered when building an object-oriented software system?

0 Answers   InfoAxon Technologies,

---

Is union transormation is active transformation?

0 Answers  

---

What is dimensional modelling?

0 Answers  

---