Ab Initio Interview Questions
Questions Answers Views Company eMail

How can you SORT an already partitioned (round-robin) data ? How to use in abinitio graph? 3. How internally partition by key decides which key to send in which partition ? How to use in abinitio graph? 4. What is PDL ? Give him a shell type parameter and ask him to convert it to PDL. How to use in abinitio graph? 5. As shell type parameters are not supported by EME, then how you can use shell type parameter (If you don't want to use PDL) without hampering lineage diagram ? How to use in abinitio graph? 6.How you can generate dml from a COBOL copy book ? How to use in abinitio graph? 7. How you can convert from ebcdic to packed decimal ? How to use in abinitio graph?

HP,

4172

What is regex (lookup)? When you should use it? How to use in abinitio graph?

Steria, Wipro,

1 7737

Why creation of temporary files depends on the value of MAX CORE ? How to use in abinitio graph? 10. What is the diff between abinitiorc and .abinitiorc files ? How to use in abinitio graph? 11. What is the use of allocate()? How to use in abinitio graph? 12. What is use of branch in EME ? 13. How you can break a lock in EME ? How can you lock a file so that only no one other than EME admin can break it ? How to use in abinitio graph? 14. When you should be using ablocal() ? How you can use ablocal_expr? How to use in abinitio graph? 15. Why you should not keep the layout as 'default' for input table component ? How to use in abinitio graph? 16. What is dynamic lookup ? How to use in abinitio graph? 17. What is dependent parameter ? How to use in abinitio graph? 18. What is BRE ? (Business Rule Environment - This is a recent addition in abinitio package) How to use in abinitio graph? 19.What is output index ? How to use in abinitio graph? 20. How you can track the records those are not getting selected from ‘select’ in reformat component ? How to use in abinitio graph? 21. Can we have more than one launcher process for a particular graph ? How about agent ? How to use in abinitio graph? 22. There are lot of new fuctions added in 2.15 , you can ask about them ? How to use in abinitio graph? 23. How can you run multiple instances of a graph in parallel? How to use

Wipro,

3848

In which scenario, .rec files will not get created even if graph fails ? How to use in abinitio graph?

IBM, TCL,

2 16867

46.How you can create cross joined output using join component ? 47.What is the default layout of watcher files ? How to use in abinitio graph? 48.Why you get 'too many open files' error ? How to use in abinitio graph? 49.What is the significance of vnode folder under AB_WORK_DIR ? How to use in abinitio graph? 50, What is the significance AB_AIR_BRANCH? How to use in abinitio graph? 51. How can you select only unique records from a set of records ? How to use in abinitio graph? 52. How next_in_sequence work in parallel layout ? How to use in abinitio graph? 53. Why you want to set a modest number in limit ? How to use in abinitio graph? 54. How you can encrypt a password and use it in dbc file? How to use in abinitio graph? 55. Which function you should be using if you do not want to process non printable char from a feed file ? How to use in abinitio graph? 56. How you can run a component for certain conditions ? How to use in abinitio graph? 56. What is catalog and when you should use it ? How to use in abinitio graph? 57. How you can use reformat as a router ? How to use in abinitio graph? 58. How many process gets created for a n-way parallel component ? How to use in abinitio graph? 59. Why delimited DMLs take more time to process than fixed length DMLs? How to use in abinitio graph? 60. How can you select only first and last record from a file without using next_in_sequence? How to use in abinitio graph? 61.Why you should always keep largest input as driving input for Join ? How to use in abinitio graph? 62. What a catalog file contains ? How to use in abinitio graph? 63. What Is private project and public project ? How to use in abinitio graph? 64. Why you should not use checkpoint after replicate ? How

Accenture, Mind Tree,

5509

What is the diff between abinitiorc and .abinitiorc files ?

IBM, Infosys, TCL,

1 25763

11. What is the use of allocate()?

TCL,

1 5075

. What is dynamic lookup ?

CTS,

1 12429

What is regex (lookup)? When you should use it?

HCL,

3 14904

Why creation of temporary files depends on the value of MAX CORE

HCL,

1 5525

What is dependent parameter ?

HCL,

1 6420

What is the significance of record required indicator of Join component ?

HCL,

1 7688

. What is flow buffering ? How it reduces the chances of having deadlock ?

HCL,

1 7281

When we should use 'jobid' for commit table (Output table component??

HCL,

1 8569

Layout - L1*, L1 - What is the difference

3 12691


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Un-Answered Questions { Ab Initio }

Mention how can you connect eme to abinitio server?

1156


What are the primary keys and foreign keys?

785


Can you explain the performance and scalability of co> operating system?

864


What is abinitio?

922


What is the difference between a scan component and a rollup component?

909


Why might the optimizer use a table scan when an index is available?

2062


Mention what is the syntax for m_dump in abinitio?

1225


What is $mpjret?

901


What are the reasons for which business can trust the approach of data processing?

886


What are differences between different versions of co-op?

931


What do you know about abinitio?

996


What are the features of ab initio?

861


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

890


What is the use of the co> operating system in ab initio?

847


What are the six data process products of ab initio (architecture of ab initio)?

897