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ALTER VIEW

Alter the existing view by using another QUERY.

Syntax

ALTER VIEW [ <database_name>. ]view_name [ (<column>, ...) ] AS SELECT query

Examples

CREATE VIEW tmp_view AS SELECT number % 3 AS a, avg(number) FROM numbers(1000) GROUP BY a ORDER BY a;

SELECT * FROM tmp_view;
+------+-------------+
| a | avg(number) |
+------+-------------+
| 0 | 499.5 |
| 1 | 499.0 |
| 2 | 500.0 |
+------+-------------+

ALTER VIEW tmp_view(c1) AS SELECT * from numbers(3);

SELECT * FROM tmp_view;
+------+
| c1 |
+------+
| 0 |
| 1 |
| 2 |
+------+
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