Execute the sql statement and return true on success

Property definitions

sqlite3 $ Sqlite3DB :: execute
	# Execute the `sql` statement and return `true` on success
	fun execute(sql: Text): Bool
	do
		var err = native_connection.exec(sql.to_cstring)
		return err.is_ok
	end
lib/sqlite3/sqlite3.nit:68,2--73,4