# 表达式
[简单表达式](https://support.huaweicloud.com/sqlreference-dws/dws_06_0070.html)
:
[条件表达式](https://support.huaweicloud.com/sqlreference-dws/dws_06_0071.html)
:
[子查询表达式](https://support.huaweicloud.com/sqlreference-dws/dws_06_0072.html)
:
[数组表达式](https://support.huaweicloud.com/sqlreference-dws/dws_06_0073.html)
:
[行表达式](https://support.huaweicloud.com/sqlreference-dws/dws_06_0074.html)
: