close与close all命令的区别!

close与close all命令的区别! vfp中,close all命令和close tables all命令有何区别? 用来关闭数据库的命令有 A use B close C close databae D close all close与closed的区别 shut与close的区别 be close to 与close to的区别? closer与more close的区别?more close对不对? close与closely区别? “close”与“close to”有什么区别? close to与next to的区别 turn off与close down的区别 close down与turn off的区别 open与close的区别及用法 Application.Exit();与this.Close();的区别 closing与to close的区别 close 和 close down的区别 close all close closely的区别