Chiffrement - Webdam Project - Inria
Chiffrement - Webdam Project - Inria
Chiffrement - Webdam Project - Inria
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Décomposition de requête (3)<br />
Client Query<br />
Client Query<br />
πname,pname<br />
πname,pname<br />
e.pid = p.pid<br />
σsalary >100k and<br />
e.pid = p.pid<br />
σsalary >100k<br />
D<br />
D<br />
D<br />
e.p_id = p.p_id<br />
σs_id = 1 v s_id = 2<br />
E_PROJ<br />
σs_id = 1 v s_id = 2<br />
E_PROJ<br />
E_EMP<br />
Server Query<br />
E_EMP<br />
Server Query<br />
N. Anciaux<br />
Sécurité des BD : cryptographie dans les BD<br />
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