Datasets:

misatadata
/

retail-star-answer-key

-- Retail star schema for ClickHouse 24.3.
-- Money is Decimal(18,2), discount_pct Decimal(5,4), dates Date, date keys UInt32 (yyyymmdd).
-- Sort keys follow the cube's access paths: time first on the facts, then the dimension a slice usually takes.

CREATE TABLE IF NOT EXISTS dim_date
(
    date_key      UInt32,
    date          Date,
    year          UInt16,
    quarter       UInt8,
    quarter_name  LowCardinality(String),
    month         UInt8,
    month_name    LowCardinality(String),
    year_month    UInt32,
    day_of_week   UInt8,
    day_name      LowCardinality(String),
    is_weekend    UInt8
)
ENGINE = MergeTree
ORDER BY date_key;

CREATE TABLE IF NOT EXISTS dim_product
(
    product_id    UInt32,
    product_name  String,
    subcategory   LowCardinality(String),
    category      LowCardinality(String),
    brand         LowCardinality(String),
    list_price    Decimal(18, 2),
    unit_cost     Decimal(18, 2)
)
ENGINE = MergeTree
ORDER BY product_id;

CREATE TABLE IF NOT EXISTS dim_customer
(
    customer_id    UInt32,
    customer_name  String,
    segment        LowCardinality(Nullable(String)),
    country        LowCardinality(String),
    region         LowCardinality(String),
    city           LowCardinality(String),
    signup_date    Date
)
ENGINE = MergeTree
ORDER BY customer_id;

CREATE TABLE IF NOT EXISTS dim_store
(
    store_id    UInt16,
    store_name  LowCardinality(String),
    channel     LowCardinality(String),
    country     LowCardinality(String),
    region      LowCardinality(String),
    city        LowCardinality(String)
)
ENGINE = MergeTree
ORDER BY store_id;

CREATE TABLE IF NOT EXISTS orders
(
    order_id     UInt32,
    order_date   Date,
    customer_id  Nullable(UInt32),
    store_id     UInt16
)
ENGINE = MergeTree
ORDER BY (order_date, order_id);

CREATE TABLE IF NOT EXISTS order_lines
(
    order_line_id  UInt32,
    order_id       UInt32,
    date_key       UInt32,
    order_date     Date,
    customer_id    Nullable(UInt32),
    store_id       UInt16,
    product_id     UInt32,
    quantity       UInt16,
    unit_price     Decimal(18, 2),
    discount_pct   Decimal(5, 4),
    net_amount     Decimal(18, 2),
    unit_cost      Decimal(18, 2),
    cost_amount    Decimal(18, 2)
)
ENGINE = MergeTree
ORDER BY (date_key, product_id, order_line_id);

CREATE TABLE IF NOT EXISTS returns
(
    return_id        UInt32,
    order_line_id    UInt32,
    order_id         UInt32,
    product_id       UInt32,
    customer_id      Nullable(UInt32),
    store_id         UInt16,
    sale_date        Date,
    sale_date_key    UInt32,
    return_date      Date,
    return_date_key  UInt32,
    returned_qty     UInt16,
    refund_amount    Decimal(18, 2),
    reason           LowCardinality(String)
)
ENGINE = MergeTree
ORDER BY (sale_date_key, product_id, return_id);

	-- Retail star schema for ClickHouse 24.3.
	-- Money is Decimal(18,2), discount_pct Decimal(5,4), dates Date, date keys UInt32 (yyyymmdd).
	-- Sort keys follow the cube's access paths: time first on the facts, then the dimension a slice usually takes.

	CREATE TABLE IF NOT EXISTS dim_date
	(
	date_key UInt32,
	date Date,
	year UInt16,
	quarter UInt8,
	quarter_name LowCardinality(String),
	month UInt8,
	month_name LowCardinality(String),
	year_month UInt32,
	day_of_week UInt8,
	day_name LowCardinality(String),
	is_weekend UInt8
	)
	ENGINE = MergeTree
	ORDER BY date_key;

	CREATE TABLE IF NOT EXISTS dim_product
	(
	product_id UInt32,
	product_name String,
	subcategory LowCardinality(String),
	category LowCardinality(String),
	brand LowCardinality(String),
	list_price Decimal(18, 2),
	unit_cost Decimal(18, 2)
	)
	ENGINE = MergeTree
	ORDER BY product_id;

	CREATE TABLE IF NOT EXISTS dim_customer
	(
	customer_id UInt32,
	customer_name String,
	segment LowCardinality(Nullable(String)),
	country LowCardinality(String),
	region LowCardinality(String),
	city LowCardinality(String),
	signup_date Date
	)
	ENGINE = MergeTree
	ORDER BY customer_id;

	CREATE TABLE IF NOT EXISTS dim_store
	(
	store_id UInt16,
	store_name LowCardinality(String),
	channel LowCardinality(String),
	country LowCardinality(String),
	region LowCardinality(String),
	city LowCardinality(String)
	)
	ENGINE = MergeTree
	ORDER BY store_id;

	CREATE TABLE IF NOT EXISTS orders
	(
	order_id UInt32,
	order_date Date,
	customer_id Nullable(UInt32),
	store_id UInt16
	)
	ENGINE = MergeTree
	ORDER BY (order_date, order_id);

	CREATE TABLE IF NOT EXISTS order_lines
	(
	order_line_id UInt32,
	order_id UInt32,
	date_key UInt32,
	order_date Date,
	customer_id Nullable(UInt32),
	store_id UInt16,
	product_id UInt32,
	quantity UInt16,
	unit_price Decimal(18, 2),
	discount_pct Decimal(5, 4),
	net_amount Decimal(18, 2),
	unit_cost Decimal(18, 2),
	cost_amount Decimal(18, 2)
	)
	ENGINE = MergeTree
	ORDER BY (date_key, product_id, order_line_id);

	CREATE TABLE IF NOT EXISTS returns
	(
	return_id UInt32,
	order_line_id UInt32,
	order_id UInt32,
	product_id UInt32,
	customer_id Nullable(UInt32),
	store_id UInt16,
	sale_date Date,
	sale_date_key UInt32,
	return_date Date,
	return_date_key UInt32,
	returned_qty UInt16,
	refund_amount Decimal(18, 2),
	reason LowCardinality(String)
	)
	ENGINE = MergeTree
	ORDER BY (sale_date_key, product_id, return_id);