实例10   决策图的使用
.....................\10-1.jpg
.....................\10-2.jpg
.....................\10-2design.jpg
.....................\10-chart.jpg
.....................\10-data.jpg
.....................\10-freinds.jpg
.....................\10-freinds1.jpg
.....................\10-group.jpg
.....................\10-new.jpg
.....................\10-sql.jpg
.....................\10-struc.jpg
.....................\10-wiz.jpg
.....................\10-wizard.jpg
.....................\Project1.cfg
.....................\Project1.dpr
.....................\Project1.exe
.....................\Project1.res
.....................\Thumbs.db
.....................\Unit1.dfm
.....................\Unit1.pas
.....................\friends2.db
.....................\main.dfm
.....................\main.pas
.....................\sql.jpg