动态 SQL 集 Golang

DataUSERNAME,PASSWORD,ADDRESS,NOTES

_ "github.com/mattn/go-sqlite3"

...
stmt, err := db.Prepare("UPDATE Data SET ?=? WHERE USERNAME=?")
check(err)
res, err := stmt.Exec(splittedQuery[0], splittedQuery[1],splittedQuery[2])
...

near "?": syntax error

谢谢