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Exploring Vertica's INTERPOLATE predicate
Jun 18, 2013 | 1 min read hp vertica interpolate previous value SQL analytical sql dbms back fill interpolate vertica fill previous valueVertica has a special feature to join tables and fill in the last available values where values would otherwise be null. I had a similar use case and wanted to test how I could make the best use of it. I played with simple examples and got it right, but with a slightly more complex one, I was stuck or maybe I just …
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