mysql
select * from 表名 where DateDiff(‘h’,时间字段名,now()) > 24;
sqlserver
select * from 表名 where DateDiff(hh,时间字段名,getDate()) > 24;
mysql
select * from 表名 where DateDiff(‘h’,时间字段名,now()) > 24;
sqlserver
select * from 表名 where DateDiff(hh,时间字段名,getDate()) > 24;