关于数据库语句的错误
我写了一个语句,但是运行后提示有错误,说(附近语法有错误,where附近有语法错误,我写的句子是这个样子的
string strsql1="delect (select *,(CAST(SUBSTRING(starttime, 1, CHARINDEX(':', starttime) - 1) AS int)*100+CAST(SUBSTRING(starttime, CHARINDEX(':', starttime) + 1),2 AS int)) as ssum1,(CAST(SUBSTRING(endtime, 1, CHARINDEX(':', endtime) - 1) AS int)*100+CAST(SUBSTRING(endtime, CHARINDEX(':', endtime) + 1),2 AS int)) as esum1,ssum,esum from tbltask) where ssum<ssum1 and esum>esum1";
r_conn .updatesql (strsql1 );
运行出错,烦请帮忙!