释义 |
logical parent segment 逻辑双亲段 In a data base, a segment pointed to by a logical child segment that contains common reference data. The pointer from the logical child segment to the logical parent segment can be symbolic or direct. A logical parent segment can also be a physical parent segment. 数据库中,由包含公共引用数据的逻辑子女段指向的段。从逻辑子女段指向逻辑双亲段的指针可以是符号 的,或者是直接的。逻辑双亲段也可以是物理双亲段。 |