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NTH_VALUE

Q: Apa saja parameter fungsi NTH_VALUE?

Fungsi ini memiliki 2 parameter wajib dan 2 parameter opsional. Parameter yang digunakan: expression (any, wajib): Column or expression whose value is retrieved; n (INT64, wajib): Row position (1-indexed); PARTITION BY (expression, opsional): Divides data into groups; ORDER BY (expression, opsional): Determines the ordering.

BigQuery

Returns the value at the Nth position in the window frame.

Tipe hasil: Same as input expressionDiperbarui: 13 Jun 2026

Syntax

SQL

NTH_VALUE(expression, n) OVER ([PARTITION BY partition_expression] ORDER BY sort_expression [frame_clause])

Parameter

expressionanywajib

Column or expression whose value is retrieved

nINT64wajib

Row position (1-indexed)

PARTITION BYexpressionopsional

Divides data into groups

ORDER BYexpressionopsional

Determines the ordering

Contoh Penggunaan

Second Best-Selling Product per Category

SQL

1 SELECT
2   category,
3   product_name,
4   sales,
5   NTH_VALUE(product_name, 2) OVER (
6     PARTITION BY category
7     ORDER BY sales DESC
8     ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
9   ) as second_best
10 FROM `project.dataset.products`;

Finds the product with the second highest sales.

Hasil

category	product_name	sales	second_best
Electronics	iPhone	50000	MacBook
Electronics	MacBook	35000	MacBook
Electronics	iPad	20000	MacBook

Third Highest Score

SQL

1 SELECT
2   game_id,
3   player_name,
4   score,
5   NTH_VALUE(player_name, 3) OVER (
6     PARTITION BY game_id ORDER BY score DESC
7     ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
8   ) as bronze_medal
9 FROM `project.dataset.game_scores`;

Finds the player with the third highest score (bronze medal).

Pertanyaan Umum tentang NTH_VALUE

Apa itu fungsi NTH_VALUE di BigQuery?

Returns the value at the Nth position in the window frame. Di BigQuery, fungsi NTH_VALUE termasuk dalam kelompok fungsi yang sering digunakan untuk mengolah dan menganalisis data secara efisien.

Bagaimana cara menggunakan NTH_VALUE di BigQuery?

Gunakan sintaks berikut: NTH_VALUE(expression, n) OVER ([PARTITION BY partition_expression] ORDER BY sort_expression [frame_clause]). Pastikan argumen yang dimasukkan sudah sesuai dengan tipe data yang diharapkan.

Apa nilai yang dikembalikan oleh fungsi NTH_VALUE?

Fungsi NTH_VALUE 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.

Fungsi Terkait

LAGLEADFIRST_VALUELAST_VALUE

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Kembali ke BigQuery Functions

1	SELECT
2	category,
3	product_name,
4	sales,
5	NTH_VALUE(product_name, 2) OVER (
6	PARTITION BY category
7	ORDER BY sales DESC
8	ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
9	) as second_best
10	FROM `project.dataset.products`;

1	SELECT
2	game_id,
3	player_name,
4	score,
5	NTH_VALUE(player_name, 3) OVER (
6	PARTITION BY game_id ORDER BY score DESC
7	ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
8	) as bronze_medal
9	FROM `project.dataset.game_scores`;