# 聚合函数

```{toctree}
:maxdepth: 1
:titlesonly:

ANY_VALUE <any-value>
AVG <avg>
BITMAP <bitmap>
BIT_AND <bit_and>
BIT_OR <bit_or>
BIT_XOR <bit_xor>
COUNT <count>
GROUP_CONCAT <group-concat>
MAX <max>
MEDIAN <median>
MIN <min>
STDDEV_POP <stddev_pop>
SUM <sum>
VARIANCE <variance>
VAR_POP <var_pop>
```