如何从Firebird中的非表中选择数据？

Question

我正在寻找火鸟 - 相当于:

SELECT 'abc' AS abc, 123 AS def, '20110101' AS dt

每当我这样做

SELECT 'whatever' as xxx 

我收到一条错误消息.

Answer 1

Firebird,就像Oracle,需要一张桌子SELECT.

通常,RDB$DATABASE用于此目的:

SELECT  'abc' AS abc, 123 AS def, '20110101' AS dt
FROM    RDB$DATABASE