121. You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database, you want the Oracle software to take care of all basic settings to optimize the databas…
1. Because of a power outage,instance failure has occurred. From what point in the redo log does recovery begin and where does it end?A. Current redo log and inactive redo logB. Checkpoint position to end of redo logC. Beginning of redo log to end of…
有个好文档还是靠普很多,感谢同事的文档.升级步骤记录如下 1.检查现有环境 [root@master ~]# etcd --version etcd Version: Git SHA: 1674e68 Go Version: go1.9.2 Go OS/Arch: linux/amd64 [root@master ~]# etcdctl2 cluster-health member a4e80e96ea75f7c8 is healthy: got healthy result from http…