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IBM Informix Interview Questions
Questions Answers Views Company eMail

An index is reaching a limitation on the number of pages it has, can you explain why this limitation exists and what work you would do to get around it?

IBM,

21

can I ask about perl, dbi and dbd informix? Other products?

IBM,

31

can I install informix on a non-english version of windows nt?

IBM,

23

explain pdq priority?

IBM,

15

explain about light scans in informix?

IBM,

25

explain checkpoints and why in 9.4 they were better than in previous versions of the engine?

IBM,

13

explain the concept of fragment elimination in informix ?

IBM,

15

explain the purpose of optimizer directives and how/why you would use them

IBM,

23

how could you increase the speed of ontape/onbar backups ?

IBM,

21

how would you check that a given index is consistent and has no corruption? If corruption occurred on a database what would your process be?

IBM,

25

how would you convert a secondary server into a primary server ?

IBM,

18

I think I screwed up my onconfig file, and I do not have a backup of it. What should I do?

IBM,

32

mention the database server operating modes available for informix?

IBM,

26

somehow informix fails to go online. Is there a way to view what oninit is doing?

IBM,

23

what are the database server operating modes available for informix? Explain each.

IBM,

17


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Un-Answered Questions { IBM Informix }

what is extent in informix?

29


what is a chunk in informix ?

76


what is informix universal server?

21


What is the use of key-value locking in informix?

31


Explain about informix 4gl.

9






What is a database object in ibm informix?

23


what is an extent in informix?

30


An index is reaching a limitation on the number of pages it has, can you explain why this limitation exists and what work you would do to get around it?

21


explain about light scans in informix?

25


Explain the informix instance.

19


Can you explain pdq priority?

22


what is the size of informix page?

19


can I install informix on a non-english version of windows nt?

23


why do foreground writes decrease performance ?

24


mention the database server operating modes available for informix?

26