《数据库系统概论》| 第四章数据库安全性知识梳理

快来打我* 2023-10-06 11:43 56阅读 0赞

## 索引： ##

1、数据库安全性的概念

2、数据库不安全的因素

3、与数据库有关的安全性策略有哪几种？（P137）

4、在关系数据库系统中存取控制的数据对象包括哪些？操作类型包括哪些？(P141)

5、自主存取控制和强制存取控制方法

6、关键词grant、 revoke的作用和用法

7、with grant option子句的用法

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### 1、数据库安全性的概念 ###

数据库的安全性是指保护数据库以防止不合法使用所造成的数据泄露、更改或破坏

### 2、数据库不安全的因素 ###

1.非授权用户对数据库的恶意存取和破坏

2.数据库中重要或敏感的数据被泄露

3.安全环境的脆弱性

### 3、与数据库有关的安全性策略有哪几种？（P137） ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70][]

### *4、在关系数据库系统中存取控制的数据对象包括哪些？操作类型包括哪些？(P141)* ###

![20190112195557898.png][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 1][]

### 5、自主存取控制和强制存取控制方法 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 2][]

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### 6、关键词grant、 revoke的作用和用法 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 4][]

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![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 7][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 8][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 9][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 10][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 11][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 12][]

### 7、with grant option子句的用法 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNTIzMDk2_size_16_color_FFFFFF_t_70 6][]

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