Attribution & Data Health

Use the same query standards from the SQL Query Library overview: is_order_sm_valid = TRUE for order analyses, sm_store_id scoping for multi-store setups, and your_project placeholders.

These templates help you assess attribution coverage and basic data health before doing deeper analysis. If you want table-level freshness/coverage metadata, start with: dim_data_dictionary.

Which tables are stale or missing data?

What you’ll learn: Which tables in your data warehouse haven’t been updated recently or are missing data entirely. Run this first to identify pipeline issues before diving into analysis.

-- Assumptions: timeframe=all_time | metric=table_freshness | grain=dataset+table | scope=sm_metadata
SELECT
  dataset_name,
  table_name,
  MAX(CAST(table_has_data AS INT64)) > 0 AS table_has_data,
  MAX(CAST(table_has_fresh_data_14d AS INT64)) > 0 AS table_has_fresh_data_14d,
  MAX(table_last_data_date) AS table_last_data_date,
  ANY_VALUE(table_description) AS table_description
FROM `your_project.sm_metadata.dim_data_dictionary`
WHERE dataset_name IN ('sm_transformed_v2', 'sm_experimental')
  AND dataset_name IS NOT NULL
  AND table_name IS NOT NULL
GROUP BY 1, 2
ORDER BY table_has_fresh_data_14d ASC, table_has_data ASC, table_last_data_date ASC, dataset_name, table_name
LIMIT 200;

Attribution column coverage on orders

What you’ll learn: How complete your attribution data is—what percentage of orders have UTM source, zero-party attribution, discount codes, landing pages, and referrer domains. Low coverage in key columns signals tracking gaps.

-- Assumptions: timeframe=all_time | metric=column_coverage | grain=column | scope=sm_metadata_obt_orders
WITH cols AS (
  SELECT 'sm_utm_source' AS column_name UNION ALL
  SELECT 'sm_utm_medium' UNION ALL
  SELECT 'sm_utm_source_medium' UNION ALL
  SELECT 'sm_zero_party_attribution_source' UNION ALL
  SELECT 'order_discount_codes_csv' UNION ALL
  SELECT 'sm_order_landing_page' UNION ALL
  SELECT 'sm_order_referrer_domain'
)
SELECT
  d.table_name,
  d.column_name,
  ROUND(100 - d.column_null_percentage, 1) AS non_null_pct,
  d.column_distinct_count,
  (
    SELECT STRING_AGG(
      CONCAT(v.value, ' (', FORMAT('%.1f', v.pct), '%)'),
      ', '
      ORDER BY v.pct DESC
      LIMIT 8
    )
    FROM UNNEST(IFNULL(d.categorical_value_distribution, [])) AS v
    WHERE v.value IS NOT NULL AND v.pct IS NOT NULL
  ) AS top_values
FROM `your_project.sm_metadata.dim_data_dictionary` d
INNER JOIN cols c
  ON d.column_name = c.column_name
WHERE d.dataset_name = 'sm_transformed_v2'
  AND d.table_name = 'obt_orders'
ORDER BY non_null_pct DESC, d.column_distinct_count DESC, d.column_name;

When UTMs are missing, what other attribution signals exist?

What you’ll learn: For orders without UTM tracking, what fallback attribution data is available (zero-party surveys, discount codes, landing pages, referrer domains). Helps you understand how much attribution you can recover.

-- Assumptions: timeframe=last_90_days | metric=fallback_coverage | grain=overall | scope=valid_orders_only_missing_utms
WITH missing_utms AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    sm_zero_party_attribution_source,
    order_discount_codes_csv,
    sm_order_landing_page,
    sm_order_referrer_domain
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') = '(none) / (none)'
)
SELECT
  COUNT(DISTINCT sm_order_key) AS orders_missing_utms,
  SUM(order_net_revenue) AS order_net_revenue_missing_utms,
  COUNTIF(sm_zero_party_attribution_source IS NOT NULL AND TRIM(sm_zero_party_attribution_source) NOT IN ('', '(none)')) AS orders_with_zero_party,
  SAFE_DIVIDE(
    COUNTIF(sm_zero_party_attribution_source IS NOT NULL AND TRIM(sm_zero_party_attribution_source) NOT IN ('', '(none)')),
    NULLIF(COUNT(DISTINCT sm_order_key), 0)
  ) AS pct_with_zero_party,
  COUNTIF(order_discount_codes_csv IS NOT NULL AND TRIM(order_discount_codes_csv) NOT IN ('', '(none)')) AS orders_with_discount_code,
  SAFE_DIVIDE(
    COUNTIF(order_discount_codes_csv IS NOT NULL AND TRIM(order_discount_codes_csv) NOT IN ('', '(none)')),
    NULLIF(COUNT(DISTINCT sm_order_key), 0)
  ) AS pct_with_discount_code,
  COUNTIF(sm_order_landing_page IS NOT NULL AND TRIM(sm_order_landing_page) NOT IN ('', '(none)')) AS orders_with_landing_page,
  SAFE_DIVIDE(
    COUNTIF(sm_order_landing_page IS NOT NULL AND TRIM(sm_order_landing_page) NOT IN ('', '(none)')),
    NULLIF(COUNT(DISTINCT sm_order_key), 0)
  ) AS pct_with_landing_page,
  COUNTIF(sm_order_referrer_domain IS NOT NULL AND TRIM(sm_order_referrer_domain) NOT IN ('', '(none)')) AS orders_with_referrer_domain,
  SAFE_DIVIDE(
    COUNTIF(sm_order_referrer_domain IS NOT NULL AND TRIM(sm_order_referrer_domain) NOT IN ('', '(none)')),
    NULLIF(COUNT(DISTINCT sm_order_key), 0)
  ) AS pct_with_referrer_domain
FROM missing_utms;

Top referrer domains for orders missing UTMs

What you’ll learn: Which external sites are sending you traffic that isn’t tagged with UTMs. Use this to identify partners, affiliates, or other untracked sources that need proper tracking or attribution rules.

-- Assumptions: timeframe=last_90_days | metric=orders+net_revenue | grain=referrer_domain | scope=valid_orders_only_missing_utms
WITH base AS (
  SELECT
    LOWER(TRIM(sm_order_referrer_domain)) AS referrer_domain,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') = '(none) / (none)'
    AND sm_order_referrer_domain IS NOT NULL
    AND TRIM(sm_order_referrer_domain) NOT IN ('', '(none)')
)
SELECT
  referrer_domain,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue
FROM base
GROUP BY 1
HAVING orders >= 25
ORDER BY order_net_revenue DESC
LIMIT 50;

Key join-key completeness (customers + SKU coverage)

What you’ll learn: The percentage of orders missing customer keys and order lines missing SKUs. Critical for data integrity—high null rates here break customer-level analysis and product reporting.

-- Assumptions: timeframe=last_30_days | metric=null_rate_checks | grain=overall | scope=valid_orders_only
WITH orders AS (
  SELECT
    COUNT(*) AS orders_total,
    COUNTIF(sm_customer_key IS NULL) AS orders_missing_customer_key
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY)
),
lines AS (
  SELECT
    COUNT(*) AS lines_total,
    COUNTIF(sku IS NULL OR TRIM(sku) = '' OR LOWER(sku) = 'missing sku') AS lines_missing_sku
  FROM `your_project.sm_transformed_v2.obt_order_lines`
  WHERE is_order_sm_valid = TRUE
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY)
)
SELECT
  orders_total,
  orders_missing_customer_key,
  SAFE_DIVIDE(orders_missing_customer_key, NULLIF(orders_total, 0)) AS pct_orders_missing_customer_key,
  lines_total,
  lines_missing_sku,
  SAFE_DIVIDE(lines_missing_sku, NULLIF(lines_total, 0)) AS pct_lines_missing_sku
FROM orders
CROSS JOIN lines;

Attribution health trend (weekly)

What you’ll learn: How your attribution coverage has changed week-over-week—UTM coverage, unattributed orders, and direct traffic share. Spot tracking regressions or improvements over time.

-- Assumptions: timeframe=last_26_weeks | metric=utm_coverage+direct_share+unattributed_share | grain=week | scope=valid_orders_only
WITH base AS (
  SELECT
    DATE_TRUNC(DATE(order_processed_at_local_datetime), WEEK(MONDAY)) AS week_start,
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 182 DAY)
),
weekly AS (
  SELECT
    week_start,
    COUNT(DISTINCT sm_order_key) AS orders,
    SUM(order_net_revenue) AS order_net_revenue,
    COUNTIF(source_medium = '(none) / (none)') AS unattributed_orders,
    SUM(CASE WHEN source_medium = '(none) / (none)' THEN order_net_revenue ELSE 0 END) AS unattributed_revenue,
    COUNTIF(source_medium IN ('(direct) / (none)', 'direct / (none)')) AS direct_orders,
    SUM(CASE WHEN source_medium IN ('(direct) / (none)', 'direct / (none)') THEN order_net_revenue ELSE 0 END) AS direct_revenue,
    COUNTIF(source_medium != '(none) / (none)') AS orders_with_utm_source_medium
  FROM base
  GROUP BY 1
)
SELECT
  week_start,
  orders,
  order_net_revenue,
  SAFE_DIVIDE(orders_with_utm_source_medium, NULLIF(orders, 0)) AS pct_orders_with_utm_source_medium,
  SAFE_DIVIDE(unattributed_orders, NULLIF(orders, 0)) AS pct_orders_unattributed,
  SAFE_DIVIDE(unattributed_revenue, NULLIF(order_net_revenue, 0)) AS pct_revenue_unattributed,
  SAFE_DIVIDE(direct_orders, NULLIF(orders, 0)) AS pct_orders_direct,
  SAFE_DIVIDE(direct_revenue, NULLIF(order_net_revenue, 0)) AS pct_revenue_direct
FROM weekly
ORDER BY week_start;

Attribution health by store and sales channel

What you’ll learn: How attribution coverage varies across your stores and sales channels (online vs. POS vs. wholesale). Some channels naturally have lower attribution—this helps set expectations.

-- Assumptions: timeframe=last_30_days | metric=unattributed_share | grain=sm_store_id+sm_channel | scope=valid_orders_only
WITH base AS (
  SELECT
    sm_store_id,
    COALESCE(NULLIF(LOWER(TRIM(sm_channel)), ''), '(unknown)') AS sm_channel,
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY)
    AND NULLIF(LOWER(TRIM(sm_channel)), '') IS NOT NULL
)
SELECT
  sm_store_id,
  sm_channel,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue,
  SAFE_DIVIDE(COUNTIF(source_medium = '(none) / (none)'), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_orders_unattributed,
  SAFE_DIVIDE(
    SUM(CASE WHEN source_medium = '(none) / (none)' THEN order_net_revenue ELSE 0 END),
    NULLIF(SUM(order_net_revenue), 0)
  ) AS pct_revenue_unattributed
FROM base
GROUP BY 1, 2
HAVING orders >= 50
ORDER BY pct_revenue_unattributed DESC, orders DESC
LIMIT 100;

Discount code parsing (top codes by revenue)

What you’ll learn: Your top discount codes ranked by revenue, with order counts and AOV. Use this to evaluate promo effectiveness and identify codes that might be over-used or under-attributed.

-- Assumptions: timeframe=last_90_days | metric=orders+net_revenue | grain=discount_code | scope=valid_orders_only
-- Note: If an order has multiple discount codes, its revenue will be counted under each code (this is a code-usage view, not strict attribution).
WITH orders_with_codes AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    order_discount_codes_csv
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND order_discount_codes_csv IS NOT NULL
    AND TRIM(order_discount_codes_csv) != ''
),
exploded AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    TRIM(code_raw) AS discount_code
  FROM orders_with_codes,
  UNNEST(SPLIT(order_discount_codes_csv, ',')) AS code_raw
  WHERE TRIM(code_raw) != ''
)
SELECT
  discount_code,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue,
  SAFE_DIVIDE(SUM(order_net_revenue), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS aov
FROM exploded
GROUP BY 1
HAVING orders >= 25
ORDER BY order_net_revenue DESC
LIMIT 50;

Top landing pages for orders missing UTMs

What you’ll learn: Which pages customers land on when they arrive without UTM tracking. Useful for identifying untracked entry points and pages that need better tracking implementation.

-- Assumptions: timeframe=last_90_days | metric=orders+net_revenue | grain=landing_host+landing_path | scope=valid_orders_only_missing_utms
WITH base AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    sm_order_landing_page
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') = '(none) / (none)'
    AND sm_order_landing_page IS NOT NULL
    AND TRIM(sm_order_landing_page) NOT IN ('', '(none)')
),
parsed AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    REGEXP_EXTRACT(sm_order_landing_page, r'^(?:https?://)?([^/?#]+)') AS landing_host,
    REGEXP_EXTRACT(sm_order_landing_page, r'^(?:https?://)?[^/?#]+(/[^?#]*)') AS landing_path
  FROM base
)
SELECT
  COALESCE(NULLIF(LOWER(TRIM(landing_host)), ''), '(unknown)') AS landing_host,
  COALESCE(NULLIF(landing_path, ''), '/') AS landing_path,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue
FROM parsed
GROUP BY 1, 2
HAVING orders >= 25
ORDER BY order_net_revenue DESC
LIMIT 50;

Click-id coverage vs UTM coverage (gclid/fbclid)

What you’ll learn: The overlap between UTM tracking and ad-platform click IDs (gclid for Google, fbclid for Meta). Reveals orders where click IDs exist but UTMs don’t—potential attribution recovery opportunities.

-- Assumptions: timeframe=last_90_days | metric=utm_coverage+click_id_coverage | grain=week | scope=valid_orders_only
WITH base AS (
  SELECT
    DATE_TRUNC(DATE(order_processed_at_local_datetime), WEEK(MONDAY)) AS week_start,
    sm_order_key,
    order_net_revenue,
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_gclid,
    sm_fbclid
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
)
SELECT
  week_start,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue,
  COUNTIF(source_medium != '(none) / (none)') AS orders_with_utm_source_medium,
  SAFE_DIVIDE(COUNTIF(source_medium != '(none) / (none)'), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_orders_with_utm_source_medium,
  COUNTIF(sm_gclid IS NOT NULL AND sm_gclid NOT IN ('', '(none)')) AS orders_with_gclid,
  SAFE_DIVIDE(COUNTIF(sm_gclid IS NOT NULL AND sm_gclid NOT IN ('', '(none)')), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_orders_with_gclid,
  COUNTIF(sm_fbclid IS NOT NULL AND sm_fbclid NOT IN ('', '(none)')) AS orders_with_fbclid,
  SAFE_DIVIDE(COUNTIF(sm_fbclid IS NOT NULL AND sm_fbclid NOT IN ('', '(none)')), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_orders_with_fbclid,
  COUNTIF(source_medium = '(none) / (none)' AND sm_gclid IS NOT NULL AND sm_gclid NOT IN ('', '(none)')) AS utm_missing_but_gclid_orders,
  COUNTIF(source_medium = '(none) / (none)' AND sm_fbclid IS NOT NULL AND sm_fbclid NOT IN ('', '(none)')) AS utm_missing_but_fbclid_orders
FROM base
GROUP BY 1
ORDER BY week_start;

These are deeper-dive investigations for when attribution looks “weird” (too much direct/unattributed), or when downstream metrics are being skewed by edge-case orders.

$0 / negative net-revenue order share by source/medium (last 90 days)

What you’ll learn: Which source/mediums have an unusually high share of valid orders with order_net_revenue = 0 (or negative). This often indicates replacements/comp orders or heavy discounts that can skew repeat/retention metrics.

-- Assumptions: timeframe=last_90_days | metric=paid_vs_zero_vs_negative_order_share | grain=source_medium | scope=valid_orders_only
WITH base AS (
  SELECT
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
)
SELECT
  source_medium,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue,
  COUNTIF(order_net_revenue > 0) AS paid_orders,
  SAFE_DIVIDE(COUNTIF(order_net_revenue > 0), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_paid_orders,
  COUNTIF(order_net_revenue = 0) AS zero_net_revenue_orders,
  SAFE_DIVIDE(COUNTIF(order_net_revenue = 0), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_zero_net_revenue_orders,
  COUNTIF(order_net_revenue < 0) AS negative_net_revenue_orders,
  SAFE_DIVIDE(COUNTIF(order_net_revenue < 0), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_negative_net_revenue_orders
FROM base
GROUP BY 1
HAVING orders >= 200
ORDER BY pct_zero_net_revenue_orders DESC, orders DESC
LIMIT 50;

Unattributed share by source system and sales channel (last 90 days)

What you’ll learn: Where unattributed orders are coming from by commerce platform (source_system) and sales channel (sm_channel). Some channels (e.g., marketplaces or POS) naturally have lower UTM coverage—this helps separate “expected” vs “broken tracking.”

-- Assumptions: timeframe=last_90_days | metric=unattributed_share | grain=source_system+sm_channel | scope=valid_orders_only
WITH base AS (
  SELECT
    COALESCE(NULLIF(LOWER(TRIM(source_system)), ''), '(unknown)') AS source_system,
    COALESCE(NULLIF(LOWER(TRIM(sm_channel)), ''), '(unknown)') AS sm_channel,
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND NULLIF(LOWER(TRIM(source_system)), '') IS NOT NULL
    AND NULLIF(LOWER(TRIM(sm_channel)), '') IS NOT NULL
)
SELECT
  source_system,
  sm_channel,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue,
  COUNTIF(source_medium = '(none) / (none)') AS unattributed_orders,
  SAFE_DIVIDE(COUNTIF(source_medium = '(none) / (none)'), NULLIF(COUNT(DISTINCT sm_order_key), 0)) AS pct_orders_unattributed,
  SAFE_DIVIDE(
    SUM(CASE WHEN source_medium = '(none) / (none)' THEN order_net_revenue ELSE 0 END),
    NULLIF(SUM(order_net_revenue), 0)
  ) AS pct_revenue_unattributed
FROM base
GROUP BY 1, 2
HAVING orders >= 200
ORDER BY pct_revenue_unattributed DESC, orders DESC
LIMIT 100;

Top landing pages for direct traffic orders (last 90 days)

What you’ll learn: Which landing pages are most associated with “direct” orders (based on sm_utm_source_medium)—and whether landing page capture is missing. This helps diagnose tracking gaps (e.g., missing UTMs or missing landing-page capture on key entry flows).

-- Assumptions: timeframe=last_90_days | metric=orders+net_revenue | grain=landing_host+landing_path | scope=valid_orders_only_direct
WITH base AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    NULLIF(TRIM(sm_order_landing_page), '') AS sm_order_landing_page
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') IN ('(direct) / (none)', 'direct / (none)')
),
parsed AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    REGEXP_EXTRACT(sm_order_landing_page, r'^(?:https?://)?([^/?#]+)') AS landing_host,
    REGEXP_EXTRACT(sm_order_landing_page, r'^(?:https?://)?[^/?#]+(/[^?#]*)') AS landing_path
  FROM base
)
SELECT
  COALESCE(NULLIF(LOWER(TRIM(landing_host)), ''), '(missing_landing_page)') AS landing_host,
  COALESCE(NULLIF(landing_path, ''), '(missing_landing_page)') AS landing_path,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue
FROM parsed
GROUP BY 1, 2
HAVING orders >= 25
ORDER BY order_net_revenue DESC
LIMIT 50;

Attribution health trend with week-over-week deltas (weekly)

What you’ll learn: A “tracking regression detector”: week-over-week changes in unattributed/direct order share and revenue share. Sudden jumps typically indicate tagging/measurement changes.

-- Assumptions: timeframe=last_26_weeks | metric=utm_coverage+direct_share+unattributed_share+wow_deltas | grain=week | scope=valid_orders_only
WITH base AS (
  SELECT
    DATE_TRUNC(DATE(order_processed_at_local_datetime), WEEK(MONDAY)) AS week_start,
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 182 DAY)
),
weekly AS (
  SELECT
    week_start,
    COUNT(DISTINCT sm_order_key) AS orders,
    SUM(order_net_revenue) AS order_net_revenue,
    COUNTIF(source_medium = '(none) / (none)') AS unattributed_orders,
    SUM(CASE WHEN source_medium = '(none) / (none)' THEN order_net_revenue ELSE 0 END) AS unattributed_revenue,
    COUNTIF(source_medium IN ('(direct) / (none)', 'direct / (none)')) AS direct_orders,
    SUM(CASE WHEN source_medium IN ('(direct) / (none)', 'direct / (none)') THEN order_net_revenue ELSE 0 END) AS direct_revenue,
    COUNTIF(source_medium != '(none) / (none)') AS orders_with_utm_source_medium
  FROM base
  GROUP BY 1
),
metrics AS (
  SELECT
    week_start,
    orders,
    order_net_revenue,
    SAFE_DIVIDE(orders_with_utm_source_medium, NULLIF(orders, 0)) AS pct_orders_with_utm_source_medium,
    SAFE_DIVIDE(unattributed_orders, NULLIF(orders, 0)) AS pct_orders_unattributed,
    SAFE_DIVIDE(unattributed_revenue, NULLIF(order_net_revenue, 0)) AS pct_revenue_unattributed,
    SAFE_DIVIDE(direct_orders, NULLIF(orders, 0)) AS pct_orders_direct,
    SAFE_DIVIDE(direct_revenue, NULLIF(order_net_revenue, 0)) AS pct_revenue_direct
  FROM weekly
)
SELECT
  week_start,
  orders,
  order_net_revenue,
  pct_orders_with_utm_source_medium,
  pct_orders_unattributed,
  pct_orders_unattributed - LAG(pct_orders_unattributed) OVER (ORDER BY week_start) AS delta_pct_orders_unattributed,
  pct_revenue_unattributed,
  pct_revenue_unattributed - LAG(pct_revenue_unattributed) OVER (ORDER BY week_start) AS delta_pct_revenue_unattributed,
  pct_orders_direct,
  pct_orders_direct - LAG(pct_orders_direct) OVER (ORDER BY week_start) AS delta_pct_orders_direct,
  pct_revenue_direct,
  pct_revenue_direct - LAG(pct_revenue_direct) OVER (ORDER BY week_start) AS delta_pct_revenue_direct
FROM metrics
ORDER BY week_start;

UTM source/medium discovery (top normalized values, last 90 days)

What you’ll learn: What your UTM source/medium values actually look like in practice (normalized with LOWER(TRIM())). Use this to discover the exact strings you should filter on—without guessing.

-- Assumptions: timeframe=last_90_days | metric=orders+net_revenue | grain=source_medium | scope=valid_orders_only
WITH base AS (
  SELECT
    COALESCE(NULLIF(LOWER(TRIM(sm_utm_source_medium)), ''), '(none) / (none)') AS source_medium,
    sm_order_key,
    order_net_revenue
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
)
SELECT
  source_medium,
  COUNT(DISTINCT sm_order_key) AS orders,
  SUM(order_net_revenue) AS order_net_revenue,
  SAFE_DIVIDE(COUNT(DISTINCT sm_order_key), NULLIF(SUM(COUNT(DISTINCT sm_order_key)) OVER (), 0)) AS pct_orders,
  SAFE_DIVIDE(SUM(order_net_revenue), NULLIF(SUM(SUM(order_net_revenue)) OVER (), 0)) AS pct_revenue
FROM base
GROUP BY 1
ORDER BY orders DESC
LIMIT 50;

Join-key coverage trend (weekly missing customer keys + missing SKUs)

What you’ll learn: Whether key join fields are getting worse over time. Spikes in missing sm_customer_key (orders) or missing sku (order lines) will break customer-level and product-level analysis.

-- Assumptions: timeframe=last_26_weeks | metric=missing_key_trends | grain=week | scope=valid_orders_only
WITH orders_weekly AS (
  SELECT
    DATE_TRUNC(DATE(order_processed_at_local_datetime), WEEK(MONDAY)) AS week_start,
    COUNT(*) AS orders_total,
    COUNTIF(sm_customer_key IS NULL) AS orders_missing_customer_key
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 182 DAY)
  GROUP BY 1
),
lines_weekly AS (
  SELECT
    DATE_TRUNC(DATE(order_processed_at_local_datetime), WEEK(MONDAY)) AS week_start,
    COUNT(*) AS lines_total,
    COUNTIF(sku IS NULL OR TRIM(sku) = '' OR LOWER(sku) = 'missing sku') AS lines_missing_sku
  FROM `your_project.sm_transformed_v2.obt_order_lines`
  WHERE is_order_sm_valid = TRUE
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 182 DAY)
  GROUP BY 1
)
SELECT
  o.week_start,
  o.orders_total,
  o.orders_missing_customer_key,
  SAFE_DIVIDE(o.orders_missing_customer_key, NULLIF(o.orders_total, 0)) AS pct_orders_missing_customer_key,
  l.lines_total,
  l.lines_missing_sku,
  SAFE_DIVIDE(l.lines_missing_sku, NULLIF(l.lines_total, 0)) AS pct_lines_missing_sku
FROM orders_weekly o
LEFT JOIN lines_weekly l
  USING (week_start)
ORDER BY o.week_start;

Multiple discount codes prevalence (double-counting risk, last 90 days)

What you’ll learn: How often orders have multiple discount codes applied. This matters because any “revenue by discount code” view will double-count revenue across codes when multiple codes exist.

-- Assumptions: timeframe=last_90_days | metric=discount_code_multiplicity | grain=code_count_bucket | scope=valid_orders_only
WITH base AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    order_discount_codes_csv
  FROM `your_project.sm_transformed_v2.obt_orders`
  WHERE is_order_sm_valid = TRUE
    AND order_cancelled_at IS NULL
    AND DATE(order_processed_at_local_datetime) >= DATE_SUB(CURRENT_DATE(), INTERVAL 90 DAY)
    AND order_discount_codes_csv IS NOT NULL
    AND TRIM(order_discount_codes_csv) NOT IN ('', '(none)')
),
code_counts AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    ARRAY_LENGTH(
      ARRAY(
        SELECT TRIM(code_raw)
        FROM UNNEST(SPLIT(order_discount_codes_csv, ',')) AS code_raw
        WHERE TRIM(code_raw) != ''
      )
    ) AS code_count
  FROM base
),
bucketed AS (
  SELECT
    sm_order_key,
    order_net_revenue,
    LEAST(code_count, 5) AS code_count_bucket
  FROM code_counts
)
SELECT
  CASE code_count_bucket
    WHEN 5 THEN '5+'
    ELSE CAST(code_count_bucket AS STRING)
  END AS code_count_bucket,
  COUNT(DISTINCT sm_order_key) AS orders,
  SAFE_DIVIDE(COUNT(DISTINCT sm_order_key), NULLIF(SUM(COUNT(DISTINCT sm_order_key)) OVER (), 0)) AS pct_orders,
  SUM(order_net_revenue) AS order_net_revenue,
  SAFE_DIVIDE(SUM(order_net_revenue), NULLIF(SUM(SUM(order_net_revenue)) OVER (), 0)) AS pct_revenue
FROM bucketed
GROUP BY 1, code_count_bucket
ORDER BY code_count_bucket;

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