共 50 条
[31]
STRUCTURE OF CLOSURES IN RELATIONAL SCHEMAS WITH JOIN AND FUNCTIONAL-DEPENDENCIES
[J].
CYBERNETICS,
1990, 26 (05)
:641-653
[36]
The additivity problem for data dependencies in incomplete relational databases
[J].
SEMANTICS IN DATABASES,
1998, 1358
:136-169
[37]
REPRESENTATION OF CLOSURES IN THE NUMBER OF FUNCTIONAL AND JOIN DEPENDENCIES IN RELATIONAL SCHEMES
[J].
PUBLICATIONES MATHEMATICAE-DEBRECEN,
1989, 36 (1-4)
:33-50
[38]
COMPLEXITY OF THE OPTIMUM JOIN ORDER PROBLEM IN RELATIONAL DATABASES
[J].
IEICE TRANSACTIONS ON COMMUNICATIONS ELECTRONICS INFORMATION AND SYSTEMS,
1991, 74 (07)
:2067-2075