How to add a double quote to a string

Hi

I want to add a double quote to a string

eg

Expected output = DROP TABLE  IF EXISTS "abc"

My code

tab=c("abc")
query = paste("DROP TABLE IF EXISTS ",tab,sep="")
query = paste("DROP TABLE IF EXISTS \"",tab,"\"", sep="")

or
query = paste('DROP TABLE IF EXISTS "',tab,'"', sep="")

and tab="abc". no need for c()

Ciao!
				mario
Please help me to solve this problem

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Ing. Mario Valle
Data Analysis and Visualization Group            | http://www.cscs.ch/~mvalle
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How to add a double quote to a string

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