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

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 ?

1344

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?

1004

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.

1373

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

1146

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

1673

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

1471

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

1748

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

1 2157

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

969

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

1406

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

1085

Code check-in and check-out commands in AbInitio

4315

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?

987

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

977

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

1079

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Un-Answered Questions { Ab Initio }

What do you mean by the term data warehousing?

1067

How to add default rules in transformer?

1223

What are the different types of partition components in abinitio?

1347

Mention what is abinitio?

995

How you can run a graph infinitely in ab initio?

1584

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

1471

What are the Types of parallelism in detail?

1142

What are the different forms of output that can be obtained after processing of data?

1256

When running a stored procedure definition script how would you guarantee the definition could be rolled back in the event of problems?

1140

what is the difference between usersandbox,privatesandbox,publicsandbox,commonproject sandbox?

3998

What are the steps to create a repository in ab initio?

1255

What does edp stand for?

1155

How can a graph be run infinitely?

1125

What is the purpose of having stored procedures in a database?

1147

What does it mean by the term 'sort component'?

1096

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