SQL Server 和 Oracle 以及 MySQL 有哪些区别？

网络喷子

SQL Server 可能是指下面的任意一项：

Microsoft SQL Server, a relational database server from MicrosoftSybase SQL Server, a relational database server developed by SybaseSQL Server (magazine), a trade publication and web site owned by Penton Media以为是修改后只管自己收藏,抱歉.

via SQL Server