Window

MIN_WINDOW

DuckDB

Menemukan nilai minimum dalam window frame. Berguna untuk tracking low points dan analisis komparatif.

Tipe hasil: Same as input

Syntax

SQL

MIN(expression) OVER ([PARTITION BY ...] [ORDER BY ...])

Parameter

expressionANYwajib

Kolom yang akan dicari minimumnya

Contoh Penggunaan

Running Minimum Harga

SQL

1 SELECT
2   date,
3   price,
4   MIN(price) OVER (ORDER BY date) as running_min,
5   price - MIN(price) OVER (ORDER BY date) as above_min
6 FROM stock_prices;

Track minimum historis dan selisih dari minimum.

Hasil

date	price	running_min	above_min
2024-01-01	100	100	0
2024-01-02	95	95	0
2024-01-03	105	95	10

Minimum per Kategori

SQL

1 SELECT
2   category,
3   product,
4   price,
5   MIN(price) OVER (PARTITION BY category) as min_in_category
6 FROM products;

Identifikasi harga minimum per kategori.

Hasil

category	product	price	min_in_category
Electronics	TV	5000	500
Electronics	Phone	500	500
Furniture	Chair	200	200

Kembali ke DuckDB Functions

1	SELECT
2	date,
3	price,
4	MIN(price) OVER (ORDER BY date) as running_min,
5	price - MIN(price) OVER (ORDER BY date) as above_min
6	FROM stock_prices;

1	SELECT
2	category,
3	product,
4	price,
5	MIN(price) OVER (PARTITION BY category) as min_in_category
6	FROM products;