Vertica Quick Tip: Avoid Using Functions on Very Large Data Sets

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JimKnicely
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Vertica Quick Tip: Avoid Using Functions on Very Large Data Sets

Post by JimKnicely » Fri Jan 26, 2018 2:21 pm

This blog post was authored by Jim Knicely.

You can store billions and billions and billions (i.e., a lot) of records in your Vertica tables. When querying these large data sets, try to avoid using database functions like TO_DATE, TO_CHAR, NVL, etc. when unnecessary.

Read more here:
https://forum.vertica.com/discussion/23 ... -data-sets
Jim Knicely

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Note: I work for Vertica. My views, opinions, and thoughts expressed here do not represent those of my employer.

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