This document provides instructions for connecting to SQL databases and running SQL queries from R. It demonstrates how to install and use relevant R packages like DBI, odbc, alicer to connect to SQL Server and Azure SQL databases. It also shows how to run SQL queries and scripts from R using functions from the alicer package, optionally saving results and query execution times.

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15. install.packages("DBI")
install.packages("odbc")
library(odbc)
con <- dbConnect(odbc(),
Driver = "SQL Server",
Server = "localhostSQLEXPRESS",
Database = "datawarehouse",
Trusted_Connection = "True")
dbGetQuery(“SELECT TOP 10 * FROM CUSTOMERS”, con)

16. install.packages(“alicer”)
library(alicer)
con <- connect_to_pdw()
usethis
run_sql_text(“SELECT TOP 10 * FROM CUSTOMERS”,
connection = connect_to_pdw())
run_sql_text(“SELECT TOP 10 * FROM CUSTOMERS”)
connect_to_pdw()
odbc alicer

17. library(alicer)
run_sql_file(here(“queries”, “mi_query.sql”))
queries
mi_query.sql

18. library(alicer)
run_sql_file(here(“queries”, “mi_query.sql”),
check_rds = TRUE)
queries
mi_query.sql
mi_query.rds
mi_query.sql
mi_query.rds
mi_query.rds
SqlInterpolate()
run_sql_file(here(“queries”,
“venta.sql”),
local = 16,
fecha_inicio = ‘2019-01-01’,
fecha_fin = ‘2019-02-15’)

21. query_kpi_1.sql
alicer::kpi_1(
argumento_1,
argumento_2,
argumento_3
)
“results”
“query_text”
“exec_time”

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knitr
reticulate

29. renv