尝试为旧Linux机器配置DNS服务。网络运行良好,ip平接入互联网。但是,如果我点名为ping,ping www.google.com命令就会挂起很长时间,并带来答案:ping: unknown host www.google.com
/etc/network/interfaces:
# Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
# /usr/share/doc/ifupdown/examples for more information.
# The loopback network interfa
你好,当我使用php bin/console doctrine:migrations:migrate时,我有以下错误:
In ExceptionConverter.php line 103:
An exception occurred in the driver: SQLSTATE[HY000] [2002] Connection refused
In Exception.php line 30:
SQLSTATE[HY000] [2002] Connection refused
In Driver.php line 28:
SQLSTATE[HY000] [20
我像这样使用合并:
BEGIN TRANSACTION
merge into TD_1 tar
using (select Title,AnnouncementID,SupplyTitle,EmployeeCode,registered,modified from TSupply_2 ) source
on (tar.SupplyTitle=source.SupplyTitle and tar.EmployeeCode=source.EmployeeCode)
when matched then update set tar.modified=getdate(