[FAQ] How to sync data from PostgreSQL to BigQuery for analytics?

[AsherJD-io]

Course

data-engineering-zoomcamp

Question

How can I sync data from PostgreSQL to BigQuery for analytical workloads?

Answer

You can sync data from PostgreSQL to BigQuery by extracting tables and loading them into BigQuery datasets.

One approach is:

1. Connect to PostgreSQL using a Python script
2. Read tables into pandas DataFrames
3. Use the Google Cloud BigQuery client to load data

Example:

from google.cloud import bigquery

client = bigquery.Client()
table_id = "project.dataset.table"

job = client.load_table_from_dataframe(df, table_id)
job.result()



Ensure:

your service account credentials are set
the dataset exists in BigQuery
location (US or EU) matches during queries

This allows you to keep ingestion local while using BigQuery for scalable analytics.

### Checklist

- [x] I have searched existing FAQs and this question is not already answered
- [x] The answer provides accurate, helpful information
- [x] I have included any relevant code examples or links

[github-actions]

✅ FAQ NEW proposal created in PR #255

Please review and approve the changes.