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SQL:1.

What is Index?

2.

What are all the types of Indexes?

3.

Difference between RowID and Rownum?

4.

SQL queries for mappings?

5.

What is cursor? Explain?

6.

There are 10 Columns in Table and add 1 more column and update it based on 10 columns data

without truncate and load

7.

Explain about Constraints?

8.

Aggregation functions, Group by, Having

9.

On which columns we need to select indexes

Data Ware House:

10.

Fact Table11.

Dimension Table

12.

Star Schema

13.

Snowflake Schema

14.

Type of tables used in your project (Payment, received What Kind of financial transactions)

15.

IF there is no product id in table, will it load record in fact table or not?

Informatica:16.

Difference between Connected Look Up and UN Connected Look Up?

17.

Expression is active/Passive transformation?

18.

What is active transformation?19.

What is passive transformation?

20.

What are the transformations used?

21.

What is Update over ride?

22.

What is SQL over ride?

23.

What is the difference between Router and filter?

24.

When we have join in SQ, what is the use of Joiner?

25.

How you have done performance tuning?

26.

How to get 4th

record from flat file without using Sequence Generator, Expression and Filter?

27.

How to load two mappings in order (Target Load Plan)?

28.

What are the tasks used in workflow?29.

How to configure email?

30.

Where exactly email will be sent?

31.

File validations using shell script?

32.

What is MD5 in SCD?

33.

What are all different SCDs and explain about each of them?

34.

Who will do design documentation in your project?

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56.

Q2) there are two tables Bus reporting table and Distance travelled table, How to find total

distance travelled by bus?

Bus reporting table

BuSno Travelled Date Reporting Time LocationID

121 21/08/14 9:30AM 21

121 21/08/14 11:30AM 25121 21/08/14 1:00PM 23

121 21/08/14 3:30PM 22

121 21/08/14 5:00PM 24

Distance travelled table

LocationID(Start) LocationID(END) Distance

21 25 90

25 23 120

23 22 80

22 24 110

SQL query for total distance travelled?

57.

Q1) Related normalize

Source

EmpID Date JobCode Hours

151 04/Jan/14 201 3

151 05/Apr/14 201 5

152 05/Feb/14 202 2

152 06/Mar/14 202 3

152 07/Apr/14 202 4

153 03/Jan/14 203 3

Target

EmpID JobCode Jan Feb Mar Apr

151 201 3 -- -- 4

152 202 -- 2 3 2

153 203 3 -- -- --

Total work hours should be 7, if it is more than that trim from last one to make it 7.

SQL Script for getting target shown?