DELETION OPERATIONS IN QUANTUM DATABASE SYSTEMS
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 12, 2023
filing date -
Jul 12, 2023
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Abstract
A quantum method, includes initializing, by a quantum circuit, four registers in the quantum circuit. The quantum method further includes searching, by the quantum circuit, database data states in register |QDB> that match criteria specified in register |qr>. The quantum method further includes applying, by the quantum circuit, an S operator. The quantum method further includes applying, by the quantum circuit, the |h|+1-qubit Toffoli gate with |h| control qubits of the register |QDB>. The quantum method further includes removing, by the quantum circuit, an effect of the S operator. The quantum method further includes applying, by the quantum circuit, n of 3-qubit Toffoli gates. The quantum method further includes applying, by the quantum circuit, additional n of another 3-qubit Toffoli gates. The quantum method further includes deleting, by the quantum circuit, marked data/records/basis states based on the applying n of other 3-qubit Toffoli gates.
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