## Syntax
```mermaid
%%{init: {
'theme': 'base',
'flowchart': { 'padding': '7', 'nodeSpacing': '20', 'rankSpacing': '20' },
'themeVariables': {
'fontSize': '11px',
'fontFamily': 'Arial'
}
}}%%
flowchart LR
Start((START)) --> DAYOFWEEK[DAYOFWEEK]:::quoted
DAYOFWEEK --> End((END))
```
## Purpose
The `DAYOFWEEK` SQL function collects the day of a week from a date.
Parameters:
- Input: A dateTime.
Returns: the day of a week as an integer.