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Ab Initio Interview Questions
Questions Answers Views Company eMail

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 ?

1394

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?

1052

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.

1423

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

1208

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

1741

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

1534

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

1808

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

1 2231

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

1015

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

1440

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

1133

Code check-in and check-out commands in AbInitio

4369

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?

1032

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

1055

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

1126


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Un-Answered Questions { Ab Initio }

List out some of the air commands used in abintio?

1431


What is a data processing cycle and what is its significance?

1288


explain the environment varaibles with example?

1138


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?

1052


Mention what is the syntax for m_dump in abinitio?

1513


Explain what is de-partition in abinitio?

1403


When we should use 'jobid' for commit table (Output table component?? How to use in abinitio graph?

2482


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

1406


What do you mean by the term data warehousing? Is it different from data mining?

1276


Describe the grant/revoke ddl facility and how it is implemented?

1204


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

1243


Mention some file extensions which are used in abinitio?

1177


What do you mean by the overflow errors?

1434


How co> operating system natively processes the data?

1139


What is $mpjret?

1202