# Oracle兼容性说明
- **[Oracle数据库兼容性概述](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0507.html)**   
- **[SQL的基本元素](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0509.html)**   
- **[伪列](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0519.html)**   
- **[操作符](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0520.html)**   
- **[表达式](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0521.html)**   
- **[条件](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0522.html)**   
- **[驱动](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0523.html)**   
- **[常见的SQL DDL子句](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0527.html)**   
- **[SQL查询和子查询](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0528.html)**   
- **[PL/SQL语言](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0529.html)**   
- **[系统函数](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0537.html)**   
- **[系统视图](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0540.html)**   
- **[高级包](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0541.html)**