三层无刷新级联选择省市区县 C#语言开发SQL 数据库(含全国完整数据库)Ajax无刷新三级联动-Three provinces and cities without districts and counties to choose refresh Cascade C# Language SQL database (including the national integrity of the database) Ajax without refresh 3 linkage

介绍了在oracle里，如何使用动态SQL，如何进行级联删除，文件中举例阐述了实现方法-Introduction in the oracle, the how to use dynamic SQL, how to cascade delete, file, for example on implementation methods

全国的省市县镇村委办事处的行政编码数据,获得编码时需要通过省市级联查询-Office of the country' s provinces and towns village administrative coding data, access codes need to cascade through the provincial inquiry

大学生就业咨询系统，能完成最基本的增、删、改、查和级联删除，包含触发器和存储过程。-University students employment guidance systems, can complete the most basic increase, delete, change, check and cascade deletion, contain triggers and stored procedures.