Hi Guys, I have been to L& T last week ..Please find the questions mentioned below 1)Slowly changing dimension types 2)DML statement 3)DDL statement 4)write a syntax to create database 5) differences between count(*) and count(column) 6) differences between union and union all 7) what is decode 8) what is NVL 9) Arrange the values in ascending order 10,5,20,15,null 10)Primary and surrogate key 11)what is group by clause does? 12)what is difference between truncate and delete 13)what is difference between OLAP and OLTP ? 14)Architecture of Datawarehouse 15)how do you test the data validation from source as (flat file and xml) to staging tables. 16)what is shedule and time bound the mentioned above question asked in two rounds.all the best

2 Answers   L&T,

---

What is query panel?

1 Answers  

---

What is meant by metadata in context of a data warehouse?

0 Answers  

---

What is metadata in context of a datawarehouse and how it is important?

0 Answers  

---

Explain the differences between normalizer and normalizer transformation?

0 Answers  

---

---

Explain the structure of cold fusion?

0 Answers  

---

Difference between slicing and dicing with example?

2 Answers  

---

Is union transormation is active transformation?

0 Answers  

---

What are the differences between datamart vs. Reporting cube?

0 Answers  

---

Is it possible to have more than one row on the same table with the same foreign key?

2 Answers  

---

Difference between ODS and Staging

4 Answers   HeadStrong, TCS,

---

difference between bo 6.5 and bo xi r2

3 Answers   Accenture, Polaris,

---