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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,

3009

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

Steria, Wipro,

1 5302

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,

2819

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

IBM, TCL,

2 13410

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,

4157

What is the diff between abinitiorc and .abinitiorc files ?

IBM, Infosys, TCL,

1 17588

11. What is the use of allocate()?

TCL,

1 3047

. What is dynamic lookup ?

CTS,

1 4171

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

HCL,

3 10985

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

HCL,

1 3453

What is dependent parameter ?

HCL,

1 4141

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

HCL,

1 5807

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

HCL,

1 4901

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

HCL,

1 6098

Layout - L1*, L1 - What is the difference

3 9446


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Un-Answered Questions { Ab Initio }

What is the max core of a component?

182


What dedup-component and replicate component does?

172


Within a cursor, how would you update fields on the row just fetched?

160


What is ab initio enterprise meta>environment (eme)?

176


What is the core of co> operating system?

178






Have you used rollup component? Describe how.

171


How scientific data processing is different from commercial data processing?

148


What is data encoding?

198


What are the operations that support avoiding duplicate record?

212


Do you think effective communication is necessary for data processing?

161


How do you add default rules in the transformer?

154


What are differences between different gde versions(1.10,1.11,1.12,1.13and 1.15)?

158


How you can run a graph infinitely in ab initio?

196


What is a look-up?

182


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

2606