先写归档日志吗?

Your boss at Certkiller .com wants you to clarify Oracle 10g. Which two steps are
performed the first time any UPDATE statement is issued after the instance is
started? Choose two

A. Creating the parse tree of the statement
B. Writing the modified data blocks to the data files
C.Writing the modified data to the archived redo log files
D.Updating the control file to indicate the most recent checkpoint
E.Updating the data file header to indicate the most recent checkpoint
F.Reading the blocks to database buffer cache if they are not already there
answer:c,d
请问是先写归档日志吗?

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/8135069/viewspace-136097/,如需转载,请注明出处,否则将追究法律责任。

转载于:http://blog.itpub.net/8135069/viewspace-136097/

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值