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

# Vector Similarity Functions

## `vector_inner_product`

Inner product between vectors
*Supported Signatures*

```sql theme={null}
function vector_inner_product(array, array) returns double
```

[🔗 Official Documentation](https://docs.snowflake.com/en/sql-reference/functions/vector_inner_product)

## `vector_l2_distance`

L2 distance between vectors
*Supported Signatures*

```sql theme={null}
function vector_l2_distance(array, array) returns double
```

[🔗 Official Documentation](https://docs.snowflake.com/en/sql-reference/functions/vector_l2_distance)