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TCS Data Stage Interview Questions
Questions Answers Views Company eMail

how to do pergformence tuning in datastage?

4 34890

if 3 table having different columes. like first table having 4 columns , second table having 3 columns and third table having 2 columns then how to capture the data by using funnel stage in parallel jobs...srinu.thadi

17 28235

WHAT are unix quentios in datastage

2 15347

what is the difference between the active datawarehouse and datawarehouse

1 11458

what is usage of datastage with materialized views

4 10990





what is the differeces between hash and modulus partition methods

4 22663

I am defining one varaible parameter date in job parameters.I want use this variable date in where clause in source query.

2 6399

where we use column generator stage in real time scenario?

5 20054

In Informatica,for the table I can find coreesponding dependent mappings.Likewise can I find the dependent jobs with all the information by using the table name

1372

If I make any changes in the parallel job,do I need to implement the changes in the sequencer job,else the changes will be reflected automatically

6 7895

When we will go for Data elements?

3 6774

what is the unix script to run the job? Please mention commands which we use often?

3 15715

Difference in the implementation of lookup and join stages,in joining two tables?

7 10867

How to create user defined environment varibale(parameter)?

1 5382

In merge stage can we update the values?

3 8571

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TCS Data Stage Interview Questions





Un-Answered Questions

What are policies and what are the different types of policies?

1


Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

777


What is helper in yii?

1


Raj & Raj Ltd purchased a machinery on 01.01.1996 for Rs.88,000.The life of the machine estimated to be 5 Yrs.It was calculated that the old machinery would fetch Rs.8000 at the end of its useful life.it was decided to replace the machinery at the end of the 5th year by setting up depreciation fund and invest the annual depreciation (along with interest earned each year) in gilt edged securities carrying interest at 5% p.a. At the end of the 5th Year the securities were sold for Rs.9000.As per the sinking fund table Rs.14,478 is to be invested every year.A new machine was purchased on 01.01.2001 for Rs.1,00,000.pass the journal entries and show the ledger accounts

927


What is the importance of earthing?

51






Can we store images in database?

20


What is string in java?

17


Who uses qtp tool?

54


What is meant by load commutation?

59


How to check table is exists or not in our database using laravel?

27


What is the difference between CONST and READONLY?

70


One of the major stakeholder’s need is to visualize data for better decision making. Which SAP BO tool would you choose in this case?

58


What is the diffreence between bdc_close_group and bdc_close_dataset? : abap bdc

60


What is a Raspberry Pi?

1


What are broadcast variables in spark?

3