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子查询生成的我有这样的选择查询:别名字段从内部选择
SELECT
emp_des_company as 'Company',
(SELECT pav_des_valor FROM slt_pergunta_avaliacao pa, slt_avaliacao a WHERE pa.pav_idn_pergunta = 393 AND c.cas_idn_avaliacao = a.avl_idn_avaliacao)
FROM slt.case
...
我怎样才能别名此子查询是这样的:
SELECT
emp_des_company as 'Company',
(SELECT pav_des_valor FROM slt_pergunta_avaliacao pa, slt_avaliacao a WHERE pa.pav_idn_pergunta = 393 AND c.cas_idn_avaliacao = a.avl_idn_avaliacao) as (SELECT per_des_descricao WHERE per_idn_pergunta = 393)
FROM slt.case
...
在此先感谢。
我不认为这是可能的使用静态SQL。 –
你想达到什么目的? “SELECT per_des_descricao WHERE per_idn_pergunta = 393”没有FROM子句。 – RubioRic
嗨RubioRic,我只是忘了从条款。我想要的是一个列的动态别名 –