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3.Suppose you have a system where users are mapped to multiple tables but there are some user which were created accidently you need to write a query (given some table names mapped to userid) which list all such users which are not used anywhere in system?
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Technical Lead

Interviewed at PS QuickIT

3.1
Dec 14, 2016

3.Suppose you have a system where users are mapped to multiple tables but there are some user which were created accidently you need to write a query (given some table names mapped to userid) which list all such users which are not used anywhere in system?

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