Will creating reports on R using MySQL Database update my database on MySQL?

I use MySQL to store my data. To analyze the data I want to be able to generate monthly reports on R. So far I was able to connect to MySQL using

but I want to make sure that none of the tweaking I do affects the database I have in MySQL. Below is the code I used to import the database/table to R.

install.packages("RODBC")
library(RODBC)
Data", password="", dbname ="")
Table1 <- fetch(dbSendQuery(Data, "select * from Table"),-1)

Using the

function I am able to load the table into R but I want to make sure that I am not changing it on MySQL at the same time. Would applying any operations, adding columns etc affect the original database in MySQL?