谈对FoxBASE+FoxPro的UPDATE命令解释的诸多问题  

On Great Deal Problems of Explanation on UPDATE Command of FoxBASE+FoxPro

作　　者：徐广卿[1] 

机构地区：[1]菏泽学院农学部,山东菏泽274030

出　　处：《菏泽师专学报》2004年第2期77-80,共4页

摘　　要：对UPDATE命令 ,要注意 ,当前table/.DBF中的每个记录 ,可能在更新table/.DBF中有多个匹配记录 .若有多个匹配记录 ,当前table/.DBF的记录则被每一条匹配记录所更新 .若当前table/.DBF中含有同样键值字段的记录 。The UPDATE command, notes that for each record in the current table/. DBF, can be multiple matching records in the update table/. DBF. If there are multiple matching records, the record in the current table/. DBF is updated by each of the matching records. If the current table/. DBF contains identical key field records, only the first of the matching records is updated.

关 键 词：FOXBASE+ FOXPRO UPDATE 

分 类 号：TP311.132.3[自动化与计算机技术—计算机软件与理论]