Sql 如何在Firebird中从非表中选择数据?
我正在寻找火鸟的等价物:Sql 如何在Firebird中从非表中选择数据?,sql,syntax,firebird,Sql,Syntax,Firebird,我正在寻找火鸟的等价物: SELECT 'abc' AS abc, 123 AS def, '20110101' AS dt 每当我这样做的时候 SELECT 'whatever' as xxx 我收到一条错误消息。Firebird,就像Oracle,需要一个表来选择 通常,RDB$DATABASE用于此目的: SELECT 'abc' AS abc, 123 AS def, '20110101' AS dt FROM RDB$DATABASE
SELECT 'abc' AS abc, 123 AS def, '20110101' AS dt
每当我这样做的时候
SELECT 'whatever' as xxx
我收到一条错误消息。
Firebird
,就像Oracle
,需要一个表来选择
通常,RDB$DATABASE
用于此目的:
SELECT 'abc' AS abc, 123 AS def, '20110101' AS dt
FROM RDB$DATABASE