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David Kramer’s high-entropy blog

Two Java Phone Screen Questions

When I phone screen a Java candidate, I ask just two technical questions to assess their competency and give me a feel for where they are on the scale of “Heads-down coder” to “Java Software Engineer”.  In general, I try not to discount any candidate on just one factor, because we all have different weaknesses and strengths.  That’s why I consider these assessment questions instead of must-haves.

This is especially true of SQL questions in interviews.  I am way more interested in their thought process and how they come up with an SQL query than I am the query they respond with.  I’m not testing whether they have SQL syntax memories; I’m testing whether they understand how relational data can be joined and aggregated and filtered to produce the desired results.
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