What are data modeling and data mining?

0 Answers  

---

What is difference between query studio and report studio?

0 Answers  

---

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 the difference between etl tool and olap tools

3 Answers  

---

What is DTS ?

1 Answers  

---

---

Explain what are the different types of data warehousing?

0 Answers  

---

Disply the dname wise maximum salary

9 Answers   Principal Finance,

---

What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?

0 Answers  

---

What are the different problems that ?Data mining? can solve?

0 Answers  

---

Explain what is analytical or analytic mean?

0 Answers  

---

What is is the guidelines to build universe with better performance? R performance tuning issues of universes?

0 Answers  

---

How to use the tool Ontobulider

1 Answers  

---