# ADL Metadata Extracted

### Supported file formats

Extraction of metadata is only supported for the following file formats:

```
CSV (*.csv)
TSV (*.tsv)
JSON (*.json)
JSONL (*.jsonl)
Parquet (*.parquet)
Apache Avro (*.avro)
```

### What does Secoda extract from Azure Data Lake?

Database (Storage Account containers are referred to as databases in Secoda)

* Name

Schema (Directories within a container are referred to as schemas in Secoda)

* Name

Table (Files are referred to as tables in Secoda)

* Name
* File format type (Parquet, CSV, JSON, etc.)

Columns (Fields in files are referred to as columns in Secoda)

* Name
* Data type

### Important Notes

* Secoda will extract metadata from the most recent version of files when multiple versions exist
* The integration supports up to 100,000 files per container extraction limit


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://docs.secoda.co/integrations/data-lakes/azure-data-lake/adl-metadata-extracted.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

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.
