Window

PERCENTILE_DISC

BigQueryBigQuery

Returns the actual value at the nearest percentile without interpolation.

Tipe hasil: Same as input expressionDiperbarui: 13 Jun 2026

Syntax

SQL
PERCENTILE_DISC(expression, percentile) OVER ([PARTITION BY partition_expression])

Parameter

expressionany orderablewajib

Column that can be sorted

percentileFLOAT64wajib

Percentile value between 0 and 1

PARTITION BYexpressionopsional

Divides data into groups

Contoh Penggunaan

Median with Actual Value

SQL
1SELECT
2  department,
3  name,
4  salary,
5  PERCENTILE_DISC(salary, 0.5) OVER (PARTITION BY department) as median_salary
6FROM `project.dataset.employees`;

Median that returns an actual salary value from the dataset.

Hasil
departmentnamesalarymedian_salary
SalesDavid5000080000
SalesBob8000080000
SalesAlice12000080000

Discrete vs Continuous

SQL
1SELECT DISTINCT
2  category,
3  PERCENTILE_DISC(price, 0.5) OVER (PARTITION BY category) as median_disc,
4  PERCENTILE_CONT(price, 0.5) OVER (PARTITION BY category) as median_cont
5FROM `project.dataset.products`;

Comparison of DISC (actual value) vs CONT (interpolated value).

Pertanyaan Umum tentang PERCENTILE_DISC

Apa itu fungsi PERCENTILE_DISC di BigQuery?
Returns the actual value at the nearest percentile without interpolation. Di BigQuery, fungsi PERCENTILE_DISC termasuk dalam kelompok fungsi yang sering digunakan untuk mengolah dan menganalisis data secara efisien.
Bagaimana cara menggunakan PERCENTILE_DISC di BigQuery?
Gunakan sintaks berikut: PERCENTILE_DISC(expression, percentile) OVER ([PARTITION BY partition_expression]). Pastikan argumen yang dimasukkan sudah sesuai dengan tipe data yang diharapkan.
Apa nilai yang dikembalikan oleh fungsi PERCENTILE_DISC?
Fungsi PERCENTILE_DISC mengembalikan nilai bertipe Same as input expression. Pastikan tipe data hasil sudah sesuai dengan kebutuhan query atau formula kamu. Jika input mengandung nilai NULL, perilaku fungsi dapat berbeda — selalu periksa dokumentasi untuk memastikan hasilnya sesuai ekspektasi.
Apa saja parameter fungsi PERCENTILE_DISC?
Fungsi ini memiliki 2 parameter wajib dan 1 parameter opsional. Parameter yang digunakan: expression (any orderable, wajib): Column that can be sorted; percentile (FLOAT64, wajib): Percentile value between 0 and 1; PARTITION BY (expression, opsional): Divides data into groups.
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