> ## Documentation Index
> Fetch the complete documentation index at: https://docs-v1.agno.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CSV URL Knowledge Base

## Code

```python theme={null}
from agno.agent import Agent
from agno.knowledge.csv_url import CSVUrlKnowledgeBase
from agno.vectordb.pgvector import PgVector

db_url = "postgresql+psycopg://ai:ai@localhost:5532/ai"

knowledge_base = CSVUrlKnowledgeBase(
    urls=["https://agno-public.s3.amazonaws.com/csvs/employees.csv"],
    vector_db=PgVector(table_name="csv_documents", db_url=db_url),
)
knowledge_base.load(recreate=False)  # Comment out after first run

agent = Agent(
    knowledge=knowledge_base,
    search_knowledge=True,
)

agent.print_response(
    "What is the average salary of employees in the Marketing department?",
    markdown=True,
)
```

## Usage

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Install libraries">
    ```bash theme={null}
    pip install -U sqlalchemy 'psycopg[binary]' pgvector agno
    ```
  </Step>

  <Step title="Run PgVector">
    ```bash theme={null}
    docker run -d \
      -e POSTGRES_DB=ai \
      -e POSTGRES_USER=ai \
      -e POSTGRES_PASSWORD=ai \
      -e PGDATA=/var/lib/postgresql/data/pgdata \
      -v pgvolume:/var/lib/postgresql/data \
      -p 5532:5432 \
      --name pgvector \
      agnohq/pgvector:16
    ```
  </Step>

  <Step title="Run Agent">
    <CodeGroup>
      ```bash Mac theme={null}
      python cookbook/agent_concepts/knowledge/csv_url_kb.py
      ```

      ```bash Windows theme={null}
      python cookbook/agent_concepts/knowledge/csv_url_kb.py
      ```
    </CodeGroup>
  </Step>
</Steps>