> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wherobots.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ST_RelateMatch

This function tests the relationship between two [Dimensionally Extended 9-Intersection Model (DE-9IM)](https://en.wikipedia.org/wiki/DE-9IM) matrices representing geometry intersections. It evaluates whether the DE-9IM matrix specified in `matrix1` satisfies the intersection pattern defined by `matrix2`. The `matrix2` parameter can be an exact DE-9IM value or a pattern containing wildcard characters.

<Note>
  It is important to note that this function is not optimized for use in spatial join operations. Certain DE-9IM relationships can hold true for geometries that do not intersect or are disjoint. As a result, it is recommended to utilize other dedicated spatial functions specifically optimized for spatial join processing.
</Note>

## Signatures

```sql theme={"system"}
ST_RelateMatch(matrix1: String, matrix2: String)
```

## Parameters

<ParamField body="matrix1" type="String" required>
  The matrix1 value.
</ParamField>

<ParamField body="matrix2" type="String" required>
  The matrix2 value.
</ParamField>

## Return type

<ResponseField type="Boolean">
  Returns `true` or `false`.
</ResponseField>

## Example

```sql theme={"system"}
SELECT ST_RelateMatch('101202FFF', 'TTTTTTFFF')
```

```
true
```