Dynamic “string” in R

Question

Simple question, but cannot find the answer.

Instead of:

Df <- sqlQuery(ch, \"SELECT * FROM tblTest WHERE Id=25\")

I want a more

Answer 1

If you have multiple or reused arguments and a query that contains % you can use something like the following:

sprintf("SELECT * FROM test WHERE id = %1$s AND name = %2$s and type like ‘%%tall%%’”, id, name)