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使用此查询我收到一个错误,不知道如何解决。Postgres:选择AS不工作
查询:
SELECT * FROM (
(SELECT 1), (SELECT 2)
)
错误:
syntax error at or near ","
使用此查询我收到一个错误,不知道如何解决。Postgres:选择AS不工作
查询:
SELECT * FROM (
(SELECT 1), (SELECT 2)
)
错误:
syntax error at or near ","
你有额外的括号。我也建议别名:
SELECT *
FROM (SELECT 1 as a) x CROSS JOIN
(SELECT 2 as b) y;
或者,如果子查询只返回一行和一列:
SELECT (SELECT 1), (SELECT 2);
谢谢,像一个魅力工作!保存了我的工资。 – masHugac
'SELECT * FROM(值(1),(2))为T(ID) ;' –