string - SELECT statement from two dataframes using RMySQL -
consider 2 data frames, dataframe1 , dataframe2:
dataframe1has n columns(colmn1, ..., colmnn)dataframe2has 3 columns(col1, col2, col3)
can write statement like:
select colmn1, colmn2, ..., colmnn, col1, col2 dataframe1, dataframe2 using rmysql?
maybe want package sqldf instead.
try this:
library("sqldf") sqldf("select colmn1, colmn2, ..., colmnn, col1, col2 dataframe1, dataframe2") of course must replace ... actual column names.
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