# 类型转换
- **[概述](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0128.html)**   
- **[操作符](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0129.html)**   
- **[函数](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0130.html)**   
- **[值存储](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0131.html)**   
- **[UNION，CASE和相关构造](https://support.huaweicloud.com/distributed-ref-v10-gaussdb/gaussdb-08-0132.html)**