详解如何实现Oracle修改用户权限和角色（Explain how to implement Oracle to modify user permissions and roles）.docVIP

下载本文档

133
0
约9.48千字
约 11页
2017-07-24 发布于河南
举报
版权申诉

详解如何实现Oracle修改用户权限和角色（Explain how to implement Oracle to modify user permissions and roles）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

详解如何实现Oracle修改用户权限和角色（Explain how to implement Oracle to modify user permissions and roles）

详解如何实现Oracle修改用户权限和角色（Explain how to implement Oracle to modify user permissions and roles） Reading this article today, I think we still have a lot of help to learn Oracle, we can try Toutou Here you will see the implementation of Oracle modifying user rights, including some permissions management. Hope that through this article, we can understand, Oracle modify user privileges help. ORACLE database user and privilege management ORACLE is a multi-user system that allows many users to share system resources. In order to ensure the security of the database system, the database management system has a good security mechanism. 2.1 ORACLE database security policy Establish system level security assurance System level privileges are implemented by granting user system level rights, system level rights (system privileges) include: establishment of table spaces, establishment of users, modification of user rights, deletion of users, etc.. System privileges can be granted to users, or they can be recycled at any time. The ORACLE system has more than 80 privileges. Establish object level security guarantees Object level privilege by granting users operating on specific table, view, sequence database (query, add, delete) to achieve the right. Establish user level security assurance User level security is achieved through user password and role mechanism (a set of rights). The purpose of introducing role mechanism is to simplify the authorization and management of users. The approach is to group users according to their functions, create roles for each user, then assign roles to users, who have the same privileges as the same roles. 2.2 user management The contents of ORACLE user management mainly include the establishment, modification and deletion of the user User establishment SQLCREATE USER jxzy IDENTIFIED BY jxzy_password DEFAULT TABLESPACE system QUATA 5M ON system; / / the maximum space limit for the user Oracle modify user rights SQLCREATE USER jxzy IDENTIFIED BY jxzy_p