the show was a success和the show was success

问题描述:

the show was a success和the show was success
the show was a success这句话对吗?
the show was success这句又对不对呢?
如果都对又有什么区别呢?

这是个成功的演出
这个演出成功了.
一个是形容词,一个是动词.