Analytics engineering — role mezi daty a business

Analytics engineering buduje spolehlivé datové modely, které umožňují self-serve analytiku. Most mezi surovými daty a business insights.

Co dělá analytics engineer¶

Transformuje surová data na business-ready modely.

Odpovědnosti¶

• Data modeling — star schema, OBT
• dbt transformace — SQL modely
• Data quality — monitoring
• Dokumentace — slovníky, lineage
• Metriky — KPI jako kód

Semantic layer¶

# dbt Semantic Layer
semantic_models:
  - name: orders
    model: ref('fct_orders')
    measures:
      - name: revenue
        agg: sum
        expr: total_czk
metrics:
  - name: average_order_value
    type: derived
    type_params:
      expr: revenue / order_count

Stack¶

• Transformace: dbt
• Warehouse: Snowflake, BigQuery, DuckDB
• BI: Metabase, Superset, Looker

Summary¶

Analytics engineering je most mezi daty a business. dbt a semantic layer tvoří základ self-serve analytiky.