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| справочное ограничение (An element of an SSDL schema that specifies the direction of an association with FromRole and ToRole attributes. A referential constraint corresponds to a CSDL navigation property) | |||
| ограничение по внешнему ключу (ssn) | |||
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referential constraint : 2 短语, 1 学科 |
| 数据库 | 2 |