MySQL开发实践8问，你能hold住几个？
发实复制# User@Host: edu_online[edu_online] @ [10.139.10.167] # Query_time: 1.958000 Lock_time: 0.000021 Rows_sent: 254786 Rows_examined: 254786 SETtimestamp=1410883292; select * from t_online_group_records; 1.2.3.4.5.6.7.
发实复制# User@Host: edu_online[edu_online] @ [10.139.10.167] # Query_time: 1.958000 Lock_time: 0.000021 Rows_sent: 254786 Rows_examined: 254786 SETtimestamp=1410883292; select * from t_online_group_records; 1.2.3.4.5.6.7.