select startdttime ,enddttime, startdttime +'~'+enddttime as dttime
from mytable startdttime +'~'+enddttime as dttime
这个这个拼接的时候回出问题.说是字符型和DT型转换的问题..
请问这个怎么整啊?
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SQL 文求指导
select startdttime ,enddttime, startdttime +'~'+enddttime as dttime from mytable startdttime +'~'+enddttime as dttime 这个这个拼接的时候回出问题.说是字符型和DT型转换的问题.. 请问这个怎么整啊?