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HCL Data Stage Interview Questions
Questions Answers Views Company eMail

1)What is ur project architecture ? 2)how to move project from developement to uat? 3)What is the difference between datastage 6,7.1 and datasttage 7.5? 4).How to do error handling in datastage? 5)3.Whta is unit testing, system testing and integration testing? 6)What is the Exact difference between BASIC Transformer and NORMAL Transformer?When we will go for BASIC Or NORMAL Transformer 7)why we use third party tools in datastage? 8)What is the purpose of Debugging stages? In real time Where we will use?

6 25576

create a job that splits the data in the Jobs.txt file into four output files. You will direct the data to the different output files using constraints. • Job name: JobLevels • Source file: Jobs.txt • Target file 1: LowLevelJobs.txt − min_lvl between 0 and 25 inclusive. − Same column types and headings as Jobs.txt. − Include column names in the first line of the output file. − Job description column should be preceded by the string “Job Title:” and embedded within square brackets. For example, if the job description is “Designer”, the derived value is: “Job Title: [Designer]”. • Target file 2: MidLevelJobs.txt − min_lvl between 26 and 100 inclusive. − Same format and derivations as Target file 1. • Target file 3: HighLevelJobs.txt − min_lvl between 101 and 500 inclusive. − Same format and derivations as Target file 1. • Rejects file: JobRejects.txt − min_lvl is out of range, i.e., below 0 or above 500. − This file has only two columns: job_id and reject_desc. − reject_desc is a variable-length text field, maximum length 100. It should contain a string of the form: “Level out of range: ”, where is the value in the min_lvl field. My Question is how do you write the stage variable for reject rows.

1617

How to create environments and call them? What is the use defined variables?

2 5683

what is the main differences between Lookup, Join and Merge stages?

9 129849

HOW CAN YOU DO SCD2 IN DATA STAGE USING SEQUENTIAL FILES?

3488





Hi This is Vijay, How can your remove the duplicates in sequential File?

15 20953

what r the stages mostly used in realtime scenarios

4 20464

wt is the diff b/w odbc and oracle stage

2 15440

eno ename esal acct1 acct2 amount1 amount2 100 suresh 10000 sbi1 sbi2 1000 2000 this is our sourse data i would loke to disply like this eno ename esal acct amount 100 suresh 10000 sbi1 1000 100 suresh 10000 sbi2 2000

2 5652

1.what is stagearea?what is stage variable? 2.this is my source source:id, name target:id, name 100, murty 100,madan we have three duplicate records for the id column,how can we getthe source record? 100,madan 100,saran

1 4998

can a fact table contains textual information

6 8712

Hi all, explain one complex business rule that you had in your project and how did you accomplish it using DS?

1 2631

why we use parameters instead of hard code in datastage

4 9317

what is the difference between lookup stage reject link and merge stage reject link in datastage Parallel jobs?

9 20255

what is the difference between lookup stage reject link and merge stage reject link in datastage Parallel jobs? interm of output in Merge Reject link and Look Up Reject link ?

4 9658

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HCL Data Stage Interview Questions


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wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

1046


An array having 100 elements have numbers from 1 to 99 randomly out of which any number is repeated. Find the repeated number in minimum time and space complexity.

147


How to add additional conditions in SQL?

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How can we control attrition and reduce shrinkage

1092


if i want to give an alert message like "try after sometime" to a web page which is being seen by other person.if a web page is not seen by anyone then it should display otherwise it show a display a message stating that other person is viewing so try after some time........how can i implement this.

1360


Explain in brief web service standards?

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What does stl stand for in basketball?

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Will we tend to use non – used columns (columns that aren’t employed in reports however knowledge supply has columns) in tableau filters?

41


What is __init__.py used for in python?

112