# Using Data Shaping Expression Language

Data Shaping Expression Language is used to created expressions in queries.

You can create expressions using a set of built-in functions and keywords. These expressions are evaluated to return values.

### In this section

* [Data types](https://help.qlik.com/talend/en-US/data-shaping-language-reference-guide/8.0/data-types)
* [Creating expressions](https://help.qlik.com/talend/en-US/data-shaping-language-reference-guide/8.0/creating-expressions)