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Preguntas de entrevistas para Sql Database Developer
51 Preguntas de entrevista compartidas por los candidatos | sql database developer
We have data that gets loaded once a week. With that in mind we have an application that clients enter search data in to and then SQL has to dynamically build a statement that has 25 different data points/relationships. It works fine, but takes upwards of 30 seconds to return the data to the client. You can not change the existing schema, but you can however add to it. Indexes are already present and optimized on all the different tables. What could you do to make this process much faster??
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What is conditional aggregation in SQL?
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What is the ascii code for line feed?
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The Offer I kick myself now for not using glass door to find out abut this company first.
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