"Resolve" Oracle database implementation ID self-growth

Oracle database to realize the self-growth of ID, need to create a sequence and trigger to implement, a little bit of trouble, but also can be resolved.

Directly on the address, first, http://www.wlcrane.com/article.aspx?arid=86

This post looks good, but there is an error in execution, the creation of the trigger failed, then the next post:

Http://zhidao.baidu.com/link?url=wZljGDniAMLdvl6HwZ21SVkEDhEQvXtTHNb5nBc1_-J0qudtPBIP_8Fbi6xz6bY7UHCnNvHGSoaDwVSqZEy2Rq

Follow this post to create a trigger way to complete, there is no problem, the specific syntax to look at the posts, do not say.