R编程：在db到R中创建表

I have a matrix called "final_set" which gets created in my R code. Using some of the columns from this final set, I want to create a database table. I'm using the RJDBC package to make this happen. However, for some reason its not recognizing "final_set" . I know my connection is okay because I've tried out other sql queries using that. Could anyone help me with this please?I have a matrix called "final_set" which gets c