单项选择题
A.show master statusB.show master logs statusC.show binary statusD.show binary logs status
A.从MySQL 数据库中的data 目录下手动删除文件mysql-bin.000001、mysql-bin.000002B.purge binary logs to ’mysql-bin.000002’C.purge binary logs to ’mysql-bin.000003’D.purge binary logs before ’mysql-bin.000003’
A.set expire_logs_days =120B.set global expire_logs_days =120C.set expire_logs_days =5D.set global expire_logs_days =5