1. Any designated portion of a data base segment. A segment may contain one or more data fields.; 數(shù)據(jù)庫段的任一指定部分。一個段可包含一個或多個數(shù)據(jù)字段。 2. An area located in the main memory which contains a data record. | 在主存儲器中保存數(shù)據(jù)記錄的一個區(qū)域。