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My sql statement select avg(salary) from emp yields inaccurate results. Why?


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More DB2 Interview Questions

For unmatched rows returned from an outer join, the column values in the other table are set to null e.g If A OUTER JOIN B returns some unmatched rows from A, the corresponding column values in B will be set to null. What can be done so that a null value is not displayed for these columns?

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What do you need to do before you do EXPLAIN ?

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How do you do the EXPLAIN of a dynamic SQL statement?

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Usually, which is more important for DB2 system performance - CPU processing or I/O access?

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What is the physical storage length of date data type?

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Where besides the DB2 catalog is database object information stored by DB2?

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What is db2 bind?

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Are view updateable?

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What is iseries database?

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I need to view the number of tables existing under one particular Owner. Is it possible? If so, pl give the SQL query for this?

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