問合わせの例 - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL外部ルーチン プログラミング

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
2020年6月
Language
日本語
Last Update
2021-03-30
dita:mapPath
ja-JP/qwr1571437338192.ditamap
dita:ditavalPath
ja-JP/qwr1571437338192.ditaval
dita:id
B035-1147
Product Category
Software
Teradata Vantage

この問合わせの例では、以下のテーブル定義とデータを参照します。

CREATE TABLE t (id INTEGER, v INTEGER);
INSERT INTO t VALUES (1,1);
INSERT INTO t VALUES (1,2);
INSERT INTO t VALUES (1,3);
INSERT INTO t VALUES (1,4);
INSERT INTO t VALUES (1,5);
INSERT INTO t VALUES (1,6);
INSERT INTO t VALUES (1,7);
INSERT INTO t VALUES (1,8);

SELECT id, v, MYSUM(v) OVER
   (PARTITION BY id ORDER BY v) FROM t;

SELECT id, v, MYSUM(v) OVER
   (PARTITION BY id ORDER BY v ROWS UNBOUNDED PRECEDING) FROM t;

SELECT id, v, MYSUM(v) OVER
   (PARTITION BY id ORDER BY v ROWS BETWEEN 2 PRECEDING AND 3 FOLLOWING)
FROM t;

SELECT id, v, MYSUM(v) OVER() FROM t;