发明名称 |
Query processing system and method for database with encrypted column by query encryption transformation |
摘要 |
<p>Query processing system and method by query transformation transform a user request query based on an original DB structure, destined to a DBMS of a DB with some columns encrypted, into a query based on an encrypted DB structure so that the DBMS processes the query. The query is processed irrespective of whether or not the query includes an encryption-related item, and query-processing performance is remarkably improved.</p> |
申请公布号 |
EP2051183(A1) |
申请公布日期 |
2009.04.22 |
申请号 |
EP20080018051 |
申请日期 |
2008.10.15 |
申请人 |
PENTA SECURITY SYSTEMS, INC. |
发明人 |
KIM, DUK-SOO;JUNG, JIN-HYUK;KIM, EUI-SEOK |
分类号 |
G06F21/62 |
主分类号 |
G06F21/62 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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