题解 | #别名#
别名
https://www.nowcoder.com/practice/3a4ec448b6f74dc49f886692887aaf84
select vend_id, vend_name as vname, vend_address as vaddress, vend_city as vcity from Vendors order by vend_name
知识点:列别名的使用
易错点:vcity 在最后边,位置也会导致错误
别名
https://www.nowcoder.com/practice/3a4ec448b6f74dc49f886692887aaf84
select vend_id, vend_name as vname, vend_address as vaddress, vend_city as vcity from Vendors order by vend_name
知识点:列别名的使用
易错点:vcity 在最后边,位置也会导致错误
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