A query analysis tool determines whether a list of columns within a database is accessed by a query without running the query against the database. The apparatus comprises a rotary device that is configured to receive the electronic component and a force actuator operative to bias the electronic component into engagement with the rotary device. Upon detecting a secured communication, the network security module obtains a decryption key from the computing device to decrypt the secured communication. The patch also comprises a heterogeneous ethylenealpha-olefin copolymer having a density of less than about 0. The wave-guide assembly may also include mechanisms for adjusting the volume of fluid at the tip of the wave-guide. A fourth pattern that forms a boundary with the third pattern is formed on the medium with the nozzles on the carrying direction downstream side of the nozzle row.