2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93438In this paper we give a quantum mechanical algorithm that can search a database by a single query, when the number of solutions is more than a quarter. It utilizes modified Grover operator of arbitrary phase.5 pages, LaTeX2eQuantum PhysicsQuantum Database Searching by a Single Querytext