Ab Initio Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Ab Initio Interview Questions

Questions Answers Views Company eMail

What is the difference between reformat and redefine format?

IBM, TCS,

4 32355

what is difference between chk point n phase.Say im loading a file (containig 1 lakh records) and my graph fails after loading 50,000th record.What is the advantage of using check point in this case. Will i be able to start from 51000th record.

IBM,

1 10648

IBM,

1 8308

How can you increase the number of ports of your output flow? What is the limit? Can i have 20 out ports?

IBM,

2 12504

If m loading a file of 1 million records.and the graph fails after loading 10,000 records. In this case if we use rollback command then what will happen?

IBM,

4 16018

how to create a new mfs file? where will we specify the number of partition eg 4 way ,8 way?

IBM,

4 32268

difference betwween check point and phase?

IBM,

2 14282

how does deadlock occur?

IBM,

6 18845

how to prepare scd2 in abinitio

CTS,

1 21342

hi, am put into Ab initio now. I need some material for to learn it!! i have to give a test also.. can anyone help me provide material please....

1 4840

What is the default layout of a component ? Is it mandatory to set the layout of a component ?

IBM,

3 12528

How does PBK and Sort component and Join(in memory sort) work?I mean in the join component i have used In Memory Sort,so how will it work in terms of performence as compared with PBKand Sort Component?

1 5038

What is the difference between Generate Records Component and Create Data Component?

Steria,

6 27080

Can we specify checkpoints without Phases?

IBM, Tech Mahindra,

3 16042

Can you read multiple input files using one input file component ?(same DML)

IBM,

4 19318

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Un-Answered Questions { Ab Initio }

Suppose we assign you a new project. What would be your initial point and the key steps that you follow?

1085

You can ask about different vector functions. How to use in abinitio graph?

5501

Where $mpjret is used in ab-initio?

1093

Can you explain the co>operating system’s processing model?

1052

What is data mapping and data modelling?

1500

How to move or copy the project parameter or project object to my sandbox?

2262

How co>operating system integrates with legacy codes?

1106

how to insert/update a csv file by comparing it with another csv file?

2516

How would you find out whether a sql query is using the indices you expect?

1023

What is is a data flow graph?

1072

We know rollup component in abinitio is used to summarize group of data record then why do we use aggregation?

1391

What are the operations that support avoiding duplicate record?

1390

How do you add default rules in the transformer?

1132

How to execute the graph from start to end stages? Tell me and how to run graph in non-Abinitio system?

1207

The methods to improve performance of a graph?

1036

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