摘要
描述了PowerBuilder中数据窗口生成SQL语句的原理。介绍了控制数据窗口生成SQL语句的办法,并应用这一原理给出了多表查询数据窗口对单表进行更新、设置数据窗口新行某些列具备缺省值、对数据源未涉及表进行更新、协调解决多数据窗口统一提交等几种特殊使用技巧。
The principle of datawindow producing SQL statement in PowerBuilder is presented in this paper. And some methods are presented to control datawindow to produce SQL statement,and several applied techniques are presented such as to update a table with several tables' query datawindow, to set default value in the new rows of datawindow, to update the tables of not in datasourde and to solve the problem of some datawindow updating database cooperately.
出处
《微机发展》
2003年第7期31-33,共3页
Microcomputer Development
