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Merge pull request #30 from Ritik574-coder/dbt_branch
adding mart model and defining the dimantion models
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‎models/marts/core/dimensions/_dim_models.yml‎

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version: 2
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models:
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- name: dim_customers
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description: Customer dimension with profile, contact, location, and segmentation attributes.
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columns:
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- name: customer_id
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description: Unique customer identifier.
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tests:
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- unique
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- not_null
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- name: dim_employees
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description: Employee dimension with profile, contact, employment, store, and compensation attributes.
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columns:
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- name: employee_id
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description: Unique employee identifier.
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tests:
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- unique
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- not_null
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- name: dim_products
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description: Product dimension with catalog, pricing, inventory status, supplier, and review summary attributes.
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columns:
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- name: product_id
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description: Unique product identifier.
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tests:
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- unique
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- not_null
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- name: sku
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description: Standardized product SKU.
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- name: category
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description: Standardized product category.
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- name: dim_stores
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description: Store dimension with profile, location, operations, and facility attributes.
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columns:
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- name: store_id
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description: Unique store identifier.
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tests:
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- unique
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- not_null
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- name: region
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description: Store operating region.
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- name: is_active
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description: Standardized active-store indicator.
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tests:
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- accepted_values:
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arguments:
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values: ['True', 'False', 'Unknown']
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- name: dim_date
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description: Calendar dimension built from dates observed across sales, returns, reviews, and inventory snapshots.
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columns:
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- name: date_day
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description: Calendar date.
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tests:
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- unique
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- not_null
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- name: day_type
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description: Weekday or weekend indicator.
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tests:
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- accepted_values:
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arguments:
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values: ['Weekday', 'Weekend']

‎models/marts/core/dimensions/dim_customers.sql‎

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SELECT
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p.customer_id,
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TRIM(CONCAT(p.title, ' ', p.first_name, ' ', p.last_name)) as customer_name,
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p.gender,
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p.date_of_birth,
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c.email,
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c.phone,
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l.address,
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l.zip_code,
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l.city,
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l.region,
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l.state,
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l.state_abbr,
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l.country,
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s.company,
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s.customer_segment,
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c.preferred_channel,
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s.is_active,
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s.loyalty_points,
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s.annual_income_usd,
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s.account_created_date
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FROM {{ ref('int_customer_profile') }} as p
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LEFT JOIN {{ ref('int_customers_contact') }} as c
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ON p.customer_id = c.customer_id
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LEFT JOIN {{ ref('int_customer_location') }} as l
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ON p.customer_id = l.customer_id
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LEFT JOIN {{ ref('int_customer_segmentation') }} as s
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ON s.customer_id = p.customer_id ;

‎models/marts/core/dimensions/dim_date.sql‎

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WITH dates AS (
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SELECT order_date AS date_day FROM {{ ref('int_transaction_fulfillment') }}
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UNION
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SELECT ship_date AS date_day FROM {{ ref('int_transaction_fulfillment') }}
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UNION
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SELECT delivery_date AS date_day FROM {{ ref('int_transaction_fulfillment') }}
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UNION
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SELECT return_date AS date_day FROM {{ ref('int_return_transaction') }}
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UNION
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SELECT review_date AS date_day FROM {{ ref('int_review_transaction') }}
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UNION
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SELECT snapshot_date AS date_day FROM {{ ref('int_inventory_product') }}
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)
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SELECT
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date_day,
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YEAR(date_day) AS year_number,
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DATEPART(QUARTER, date_day) AS quarter_number,
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MONTH(date_day) AS month_number,
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DATENAME(MONTH, date_day) AS month_name,
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DAY(date_day) AS day_of_month,
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DATEPART(WEEK, date_day) AS week_number,
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DATENAME(WEEKDAY, date_day) AS day_name,
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DATEPART(WEEKDAY, date_day) AS day_of_week_number,
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CASE
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WHEN DATEPART(WEEKDAY, date_day) IN (1, 7) THEN 'Weekend'
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ELSE 'Weekday'
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END AS day_type
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FROM dates
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WHERE date_day IS NOT NULL;

‎models/marts/core/dimensions/dim_employees.sql‎

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SELECT
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p.employee_id,
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e.store_id,
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e.manager_id,
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CONCAT(p.first_name, ' ', p.last_name) as employee_name,
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e.job_title,
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e.department,
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e.performance_rating,
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e.store_name,
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e.store_city,
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c.email,
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c.phone,
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e.annual_salary_usd,
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e.commission_rate_pct,
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e.years_employed,
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e.is_active,
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p.hire_date
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FROM {{ ref('int_employee_profile') }} as p
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LEFT JOIN {{ ref('int_employee_contact') }} as c
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ON p.employee_id = c.employee_id
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LEFT JOIN {{ ref('int_employee_employment') }} as e
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ON p.employee_id = e.employee_id ;

‎models/marts/core/dimensions/dim_inventory.sql‎

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‎models/marts/core/dimensions/dim_products.sql‎

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SELECT
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a.product_id,
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a.sku,
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a.product_name,
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a.brand,
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a.category,
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a.sub_category,
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a.department,
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a.launched_date,
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a.product_url,
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p.base_price_usd,
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p.cost_price_usd,
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p.gross_margin_pct,
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i.is_available,
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i.stock_quantity,
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i.reorder_level,
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s.supplier_name,
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s.supplier_country,
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s.weight_kg,
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s.warranty_years,
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s.rating_avg,
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s.review_count
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FROM {{ ref('int_product_attributes') }} AS a
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LEFT JOIN {{ ref('int_product_pricing') }} AS p
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ON a.product_id = p.product_id
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LEFT JOIN {{ ref('int_product_inventory') }} AS i
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ON a.product_id = i.product_id
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LEFT JOIN {{ ref('int_product_supplier') }} AS s
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ON a.product_id = s.product_id
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WHERE a.product_id IS NOT NULL;

‎models/marts/core/dimensions/dim_stores.sql‎

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SELECT
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p.store_id,
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p.store_name,
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p.store_type,
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p.manager_name,
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p.opened_date,
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l.address,
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l.city,
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l.state,
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l.state_full,
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l.zip_code,
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l.country,
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l.region,
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l.district,
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l.phone,
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o.sq_footage,
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o.num_employees,
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o.annual_rent_usd,
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o.is_active,
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o.has_parking,
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o.has_cafe
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FROM {{ ref('int_store_profile') }} AS p
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LEFT JOIN {{ ref('int_store_location') }} AS l
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ON p.store_id = l.store_id
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LEFT JOIN {{ ref('int_store_operations') }} AS o
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ON p.store_id = o.store_id
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WHERE p.store_id IS NOT NULL;

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