IBM Informix Interview Questions
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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,

1

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

IBM,

1

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

IBM,

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explain pdq priority?

IBM,

1

explain about light scans in informix?

IBM,

1

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

IBM,

1

explain the concept of fragment elimination in informix ?

IBM,

1

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

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

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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,

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

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

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mention the database server operating modes available for informix?

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

IBM,

1

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

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Un-Answered Questions { IBM Informix }

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

1


who developed informix?

3


What is a light scan in informix?

1


what are the uses of key value locking in informix?

1


Name the sql joins that are available in informix.

1






what is an extent in informix?

1


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

1


List down the features of informix 4gl.

1


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

1


explain about light scans in informix?

1


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

1


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

1


what command would you use to move the physical log?

1


explain pdq priority?

1


What is the use of extent in informix?

1