Vertica Quick Tip: Avoid Using Functions on Very Large Data Sets
Soniya Shah, Information Developer
January 17, 2018
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. A table named BIG_DATE_TABLE has 1 billion rows and a column...