数据库第七周【安全性+超多问题】

目录
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#4.2.3%20%E8%87%AA%E4%B8%BB%E5%AD%98%E5%8F%96%E6%8E%A7%E5%88%B6%E6%96%B9%E6%B3%95">4.2.3 自主存取控制方法</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#1.GRANT">1.GRANT</a>
<p id="%5B%E4%BE%8B4.1%5D%20%E6%8A%8A%E6%9F%A5%E8%AF%A2Student%E8%A1%A8%E6%9D%83%E9%99%90%E6%8E%88%E7%BB%99%E7%94%A8%E6%88%B7U1%E5%AE%9A%E6%93%8D%E4%BD%9C%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E6%8C%87%E5%AE%9A%E7%9A%84%E7%94%A8%E6%88%B7-toc" style="margin-left:80px;"><a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.1%5D%20%E6%8A%8A%E6%9F%A5%E8%AF%A2Student%E8%A1%A8%E6%9D%83%E9%99%90%E6%8E%88%E7%BB%99%E7%94%A8%E6%88%B7U1%E5%AE%9A%E6%93%8D%E4%BD%9C%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E6%8C%87%E5%AE%9A%E7%9A%84%E7%94%A8%E6%88%B7">[例4.1] 把查询Student表权限授给用户U1定操作权限授予指定的用户</a>
<p id="%5B%E4%BE%8B4.2%5D%20%E6%8A%8A%E5%AF%B9Student%E8%A1%A8%E5%92%8CCourse%E8%A1%A8%E7%9A%84%E5%85%A8%E9%83%A8%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E7%94%A8%E6%88%B7U2%E5%92%8CU3-toc" style="margin-left:80px;"><a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.2%5D%20%E6%8A%8A%E5%AF%B9Student%E8%A1%A8%E5%92%8CCourse%E8%A1%A8%E7%9A%84%E5%85%A8%E9%83%A8%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E7%94%A8%E6%88%B7U2%E5%92%8CU3">[例4.2] 把对Student表和Course表的全部权限授予用户U2和U3</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.3%5D%20%E6%8A%8A%E5%AF%B9%E8%A1%A8SC%E7%9A%84%E6%9F%A5%E8%AF%A2%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E6%89%80%E6%9C%89%E7%94%A8%E6%88%B7">[例4.3] 把对表SC的查询权限授予所有用户</a>
<p id="%5B%E4%BE%8B4.4%5D%20%E6%8A%8A%E6%9F%A5%E8%AF%A2Student%E8%A1%A8%E5%92%8C%E4%BF%AE%E6%94%B9%E5%AD%A6%E7%94%9F%E5%AD%A6%E5%8F%B7%E7%9A%84%E6%9D%83%E9%99%90%E6%8E%88%E7%BB%99%E7%94%A8%E6%88%B7U4-toc" style="margin-left:80px;"><a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.4%5D%20%E6%8A%8A%E6%9F%A5%E8%AF%A2Student%E8%A1%A8%E5%92%8C%E4%BF%AE%E6%94%B9%E5%AD%A6%E7%94%9F%E5%AD%A6%E5%8F%B7%E7%9A%84%E6%9D%83%E9%99%90%E6%8E%88%E7%BB%99%E7%94%A8%E6%88%B7U4">[例4.4] 把查询Student表和修改学生学号的权限授给用户U4</a>
<p id="%5B%E4%BE%8B4.5%5D%20%E6%8A%8A%E5%AF%B9%E8%A1%A8SC%E7%9A%84INSERT%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88U5%E7%94%A8%E6%88%B7%EF%BC%8C%E5%B9%B6%E5%85%81%E8%AE%B8%E4%BB%96%E5%86%8D%E5%B0%86%E6%AD%A4%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E5%85%B6%E4%BB%96%E7%94%A8%E6%88%B7-toc" style="margin-left:80px;"><a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.5%5D%20%E6%8A%8A%E5%AF%B9%E8%A1%A8SC%E7%9A%84INSERT%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88U5%E7%94%A8%E6%88%B7%EF%BC%8C%E5%B9%B6%E5%85%81%E8%AE%B8%E4%BB%96%E5%86%8D%E5%B0%86%E6%AD%A4%E6%9D%83%E9%99%90%E6%8E%88%E4%BA%88%E5%85%B6%E4%BB%96%E7%94%A8%E6%88%B7">[例4.5] 把对表SC的INSERT权限授予U5用户，并允许他再将此权限授予其他用户</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%C2%A0%5B%E4%BE%8B4.6%5D"> [例4.6]</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.7%5D">[例4.7]</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#2.REVOKE">2.REVOKE</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.8%5D%E6%8A%8A%E7%94%A8%E6%88%B7U4%E4%BF%AE%E6%94%B9%E5%AD%A6%E7%94%9F%E5%AD%A6%E5%8F%B7%E7%9A%84%E6%9D%83%E9%99%90%E6%94%B6%E5%9B%9E">[例4.8]把用户U4修改学生学号的权限收回</a>
<p id="%5B%E4%BE%8B4.9%5D%20%E6%94%B6%E5%9B%9E%E6%89%80%E6%9C%89%E7%94%A8%E6%88%B7%E5%AF%B9%E8%A1%A8SC%E7%9A%84%E6%9F%A5%E8%AF%A2%E6%9D%83%E9%99%90%E5%8F%B7%E7%9A%84%E6%9D%83%E9%99%90%E6%94%B6%E5%9B%9E-toc" style="margin-left:80px;"><a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.9%5D%20%E6%94%B6%E5%9B%9E%E6%89%80%E6%9C%89%E7%94%A8%E6%88%B7%E5%AF%B9%E8%A1%A8SC%E7%9A%84%E6%9F%A5%E8%AF%A2%E6%9D%83%E9%99%90%E5%8F%B7%E7%9A%84%E6%9D%83%E9%99%90%E6%94%B6%E5%9B%9E">[例4.9] 收回所有用户对表SC的查询权限号的权限收回</a>
<a href="https://blog.csdn.net/qq_45745322/article/details/115678465#%5B%E4%BE%8B4.10%5D%20%E6%8A%8A%E7%94%A8%E6%88%B7U5%E5%AF%B9SC%E8%A1%A8%E7%9A%84INSERT%E6%9D%83%E9%99%90%E6%94%B6%E5%9B%9E">[例4.10] 把用户U5对SC表的INSERT权限收回</a>
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