数据结构:
name       shuxing   date
lixiao     0(IPV6)   2011-01-01
lixiao     0(IPV4)   2011-01-01
lixiao     0         2011-01-01susan     20(IPV6)   2011-01-01
susan     20(IPV4)   2011-01-01
susan     20         2011-01-01sz     0+max(ss-2000)(IPV6)   2011-01-01
sz     0+max(ss-2000)(IPV4)   2011-01-01
sz     0+max(ss-2000)         2011-01-01
如何删除日期为2011-01-01号的,且shuxing的值里不包含(IPV6),(IPV4)的记录,我要的结果是:name       shuxing   date
lixiao     0(IPV6)   2011-01-01
lixiao     0(IPV4)   2011-01-01susan     20(IPV6)   2011-01-01
susan     20(IPV4)   2011-01-01sz     0+max(ss-2000)(IPV6)   2011-01-01
sz     0+max(ss-2000)(IPV4)   2011-01-01