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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 29528

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.

 2183

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

 2 7610

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

 9 144711

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

 1 6543

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

 15 26586

what r the stages mostly used in realtime scenarios

4 23442

wt is the diff b/w odbc and oracle stage

 2 18709

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 7360

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 6346

can a fact table contains textual information

 6 11787

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

 1 3940

why we use parameters instead of hard code in datastage

 4 11610

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

 9 25699

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 12111

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HCL Data Stage Interview Questions


Un-Answered Questions

What is border in ms word?

311

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1524

what is signal integrity and what is the use ?

2371

How to calculate quality score and ad rank?

1

What is sequential search?

532




Have you used rollup component? Describe how.

652

How do you edit a cross reference in word?

301

What is the most basic characteristic of supercritical boilers?

686

Develop a parameterized action that accomplishes the following a. Launch a browser of users choice ( example : IE, chrome etc) b. Open up a search engine (Google, Bing etc) c. Perform a search d. Click a particular link depending on the user’s choice ( 1st , 2nd or third link)

1404

Do you have any idea how to compare array with pointer in c?

590

Compare hive, hbase, and impala?

35

Which block stops the system from creating the picking list?

669

What do you understand by a profiler with reference to mongodb?

1

What other two data models are used?

5

What are scalars in perl?

528