References
E.F. Codd, et al. 1998. “Providing Olap to User-Analysts: An It Mandate.” https://bit.ly/2Okyz2H.
Hadley Wickham, RStudio, Edgar Ruiz. 2019. “Dbplyr: A Dplyr Back End for Databases.” https://CRAN.R-project.org/package=dbplyr.
E.F. Codd, et al. 1998. “Providing Olap to User-Analysts: An It Mandate.” https://bit.ly/2Okyz2H.
Hadley Wickham, RStudio, Edgar Ruiz. 2019. “Dbplyr: A Dplyr Back End for Databases.” https://CRAN.R-project.org/package=dbplyr.