# BigQuery Metadata Extracted

### Metadata pulled

Secoda pulls the following metadata from BigQuery:

* Tables/Views
  * Name
  * Description
  * Last Updated Timestamp
  * Schema
  * Database
  * Frequent users
  * Policy tags
  * Labels
* Fields (Fields are referred to as Columns in Secoda)
  * Name
  * Description
  * Type
  * Foreign Key
  * Primary Key
  * Policy tags
  * Labels
* Column Profile
  * Min
  * Max
  * Median
  * STD Deviation
  * Value Distribution
  * Statistic Value Count
  * Percent Filled
  * Unique
* Stored Procedures (Stored Procedures are referred to as Creation Queries in Secoda)
* Queries (Popularity)
* Lineage
  * BQ Column <-> BQ Column
  * BQ Table <-> BQ Table
  * BQ Column <-> BQ View
  * BQ Table <-> Tables from other sources
  * BQ Table <-> Dashboards from other sources
  * BQ Table, Views <-> Runs from other sources
* Preview of first 50 rows (Optional)

### Metadata pushed

If enabled, Secoda pushes the following metadata to BigQuery:

* Tables
  * Description
* Columns
  * Description

### BigQuery Labels in Secoda

Since BigQuery labels are key-value pairs, these are imported into Secoda as custom properties. If the values are not set, these will not show up in Secoda.


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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-warehouses/bigquery-integration/bigquery-metadata.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.