Delphi:Delphi利用语句删除SQL数据，需要有SQL数据库，源代码仅供学习参考，SQL请自备，根据代码可还原数据库。 -Delphi: Delphi use SQL statement to delete data, you need to have SQL database, source code for study and reference, SQL please bring your own, according to the code can restore the d