# Use PartiQL functions with DynamoDB
<a name="ql-functions"></a>

PartiQL in Amazon DynamoDB supports the following built-in variants of SQL standard functions.

**Note**  
Any SQL functions that are not included in this list are not currently supported in DynamoDB.

## Aggregate functions
<a name="ql-functions.aggregate"></a>
+ [Using the SIZE function with PartiQL for amazon DynamoDB](ql-functions.size.md)

## Conditional functions
<a name="ql-functions.conditional"></a>
+ [Using the EXISTS function with PartiQL for DynamoDB](ql-functions.exists.md)
+ [Using the ATTRIBUTE\_TYPE function with PartiQL for DynamoDB](ql-functions.attribute_type.md)
+ [Using the BEGINS\_WITH function with PartiQL for DynamoDB](ql-functions.beginswith.md)
+ [Using the CONTAINS function with PartiQL for DynamoDB](ql-functions.contains.md)
+ [Using the MISSING function with PartiQL for DynamoDB](ql-functions.missing.md)