1.依据MSDN的官方描述: In previous versions of EF the code was split between core libraries (primarily System.Data.Entity.dll) shipped as part of the .NET Framework and out-of-band (OOB) libraries (primarily EntityFramework.dll) shipped in a NuGet package. E…
1.Oracel数据库没有字段自增长属性,要实现自增长通常是通过查询序列或者触发器来实现的. 设置自增长主键 alter table SUB_SUBSCRIPTION add primary key(ID); ) NOT NULL AUTO_INCREMENT; 2.MySQL如何获取行号 MySQL中没有直接获取行号的函数,但是可以自己创建一个函数. -- 创建行号函数 CREATE FUNCTION func_rowNumber() RETURNS int NO SQL NOT DETERM…