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DB2 INTERVIEW QUESTIONS

No of Questions : 142
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DB2 INTERVIEW QUESTIONS
How do you insert a record with a nullable column?
Question : How do you insert a record with a nullable column?

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NULL indicator VALUES
Question : What does it mean if the null indicator has -1, 0, -2?[/list]

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What is the picture clause of the null indicator variable?
Question : What is the picture clause of the null indicator variable?

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How do you retrieve the data from a nullable column?
Question : How do you retrieve the data from a nullable column?

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How does DB2 store NULL physically?
Question : How does DB2 store NULL physically?

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RUNSTATS
Question : Suppose I have a program which uses a dynamic SQL and it has been performing well till now. Off late, I find that the performance has deteriorated. What happened?

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When is the access path determined for dynamic SQL?
Question : When is the access path determined for dynamic SQL?

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What is dynamic SQL?
Question : What is dynamic SQL?

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Lot of updates have done on a table due to which indexes
Question : Lot of updates have been done on a table due to which indexes have gone haywire. What do you do?

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What is a collection?
Question : What is a collection?

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