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Ab Initio Interview Questions
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Can some tell me at which level pdl gets resolved when parameters are resolved in abinitio? Also what happens in dml evaluation during parameter evaluation ?

 761

Whenever we load data into oracle table from staging table using exchange partition...then I read somewhere that data actually doesn't move in this and this command only reset the pointer in the data dictionary...so if data doesn't move then how data is loaded into the main table ? I mean wat is the point of pointer update in data dictionary?

 562

What is the return type of lookup_not_loaded() ? Does it return 0 or 1 to signify true or false or does it return index ...can someone please explain.

 861

How can we increase the loading performance of oracle table in AbInitio?

 638

What happens when we provide null key to sort, merge and pbks in Abinitio ?

 815

Input Data: AAABBBCC CCAAABB expected output A3B3C2 A3B2C2 How can I achieve this in Ab initio? where In output count of occurrences should be sorted from high to low

 853

Input A 100 NUll A NUll 200 B 100 Null B Null 300 Output A 100 200 B 100 300 Do this using Ab initio

 971

What will be the output of using partition by Round-Robin after the partiton by key in ab initio?

 1 1236

What will be the skew for, input file->partition by key-> partition by round robin->output file

 419

what is the output when -1 is put in select_expr of FBE?

 938

How to replace last 4 digits of an input column with XXXX given input column has 12 digits?

 610

Code check-in and check-out commands in AbInitio

 3359

Given input file with single column having 1 2 2 4 3 .. Required output 1 2 2 4 4 4 4 3 3 3.. How?

 532

How to process records in batches like 1-20 records in first execution and 21-40 records in second run.. so on

 470

How to convert a single column values 1 2 3 4 to single row of 4 columns ? And vice-versa

 651

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Un-Answered Questions { Ab Initio }

what is the output when -1 is put in select_expr of FBE?

938

Explain what is sandbox?

629

What would be the next step after collecting the data?

726

How does the bre work with the co>operating system?

601

What do you understand by local lookup?

650




Describe in detail about lookup?

622

Difference between output_index and output_indexes in reformat

749

how will i can implement Insert a new record (if not present in Input file),Update the record (if present in input) a csv file in Abinitio

1288

Name any two stages of the data processing cycle and provide your answer in terms of a comparative study of them?

623

What is the difference between look-up file and look-up, with a relevant example?

697

How you can run a graph infinitely in ab initio?

778

Runtime behavior of Normalize and Reformat

1720

What is the syntax for m_dump in abinitio?

1051

What do you mean by the overflow errors?

740

What the difference between “look-up” file and “look is up” in abinitio?

830

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