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RISS 인기검색어
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- 저자 : Ditta Allah (검색결과 2 건)
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Dynamic Integration of Pl/Sql for Complex Queries
Muhammad Qasim Memon,He Jingsha,Aasma,Allah Ditta,Khurram Gulzar Rana 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.10
Query optimization is a very complex task for commercial databases in case of performance issue that needs to be well known of entire structure of database. In desktop or web application at the back end, query processing aspires to be major factor for finding the better execution. We address the problem of SQL query optimization merely from the perspective of query response time in different databases invoked multiple queries are imparted in admission database management system, leveraging join and complex queries. Our proposed method adhering with respect to the underlying topics, to tune (Select, complex and join SQL) queries with optimized execution plan using PL/SQL features by incorporating database objects such as procedures, triggers and methods to improve query performance, instead amendment of query semantics which lessen time of developer or administrator to do manual tuning.
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Semi-quantum Key Distribution Protocol Based on Bell States
Haiyang Yu,Yongquan Cai,Shanshan Kong,Fei Xue,Ditta Allah 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.12
A quantum key distribution protocol with traditional Bob has been proposed recently by Boyer et al. using single-particle state. In this paper, a semi-quantum key distribution protocol is described, in which Einstein-Podolsky-Rosen (EPR) pairs of particles are utilized to generate a secret key in remote places. This extends the quantum key distribution protocol with traditional Bob where the single-qubit channel is replaced by the entangled EPR-pair channel. And quantum Alice is able to do any quantum operations, preparing quantum states and performing quantum measurement, but traditional Bob is not able to prepare and measure a particle in the computational basis, reflect the particles. Furthermore, entanglement states are used in our protocol. The analysis shows that our protocol is secure, which can avoid the beam splitter attack automatically, and the proposed protocol is more efficient than Boyer’s scheme.
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