SSA ERP LN SQL 居然没有distinct !
遇到一段小程序需要使用distinct,居然在select时不能使用,幸好还有变通的方法!
select XXX.abc
from XXX
order by XXX.abc
as set with 1 rows
selectdo
endselect
select XXX.abc
from XXX
order by XXX.abc
as set with 1 rows
selectdo
endselect

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