如何从Firebird中的非表中选择数据？

Question

我正在寻找与火鸟相当的：

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

每当我做

SELECT 'whatever' as xxx 

我收到错误消息。

Answer 1

与Firebird一样，

Oracle需要SELECT的表格。

通常，RDB$DATABASE用于此目的：

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