Hi Tjstsl,
SQL Server 2019 CTP实际上是预览版,但是以评估版的形式提供给我们测试试用,只有180天的使用期限,并且正式版还未发出来,所以正如Stone所说,不应在正式环境中使用。更多详情,请参考:SQL
Server 2019 预览版发行说明
Hope this could help you .
Best regards,
Dedmon Dai
MSDN Community Support
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