# Data base

- [Data Structures](https://readme.directual.com/data/data-structures.md): This is the fundamental part of any app 🏰
- [System Structures](https://readme.directual.com/data/data-structures/system-structures.md)
- [Data Types](https://readme.directual.com/data/data-types.md)
- [Markdown Cheat Sheet](https://readme.directual.com/data/data-types/markdown-cheatsheet.md)
- [Indexing Fields](https://readme.directual.com/data/data-types/indexing-of-the-fields.md)
- [Formatting Date/Time](https://readme.directual.com/data/data-types/formatting-date-time-data.md)
- [Directual Query Language (DQL)](https://readme.directual.com/data/directual-query-language-dql.md): Use advanced search and filtering 🔎
- [Import and Export](https://readme.directual.com/data/import-and-export.md): From Directual to XLS and back
- [Import API](https://readme.directual.com/data/import-and-export/import-api.md)
- [File Storage](https://readme.directual.com/data/file-storage.md): Store all your files 📦
- [API for File Storage](https://readme.directual.com/data/file-storage/api-for-file-storage.md)


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://readme.directual.com/data.md?ask=<question>
```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.