试题详情单项选择题当CKPT进程工作时,会对哪类文件执行I/O操作()A、数据文件B、控制文件C、重做日志文件D、归档日志文件E、警告文件正确答案:B答案解析:关注下方微信公众号,在线模考后查看热门试题Click the A corrupted&en Examine this&e You have You are Which SQL statement When performin()是一个单元操作,要么全部执行成功,要 You are w You are w You run t Your database suppoWhich is To view the results Which threeView the E You execute&enWhich Schedule You have The details&en