OCP-V13-637

[ 2015-09-23 19:48:02 | by 店小二04 ]
QUESTION 637 Which three statements are true about windows? (Choose three.) A. Only one window can ...

ocp-v13-685

[ 2015-09-23 19:52:01 | by 店小二03 ]
In your test database: -You are using Recovery Manager (RMAN) to perform incremental backups of you ...

OCP-V13-705

[ 2015-09-23 19:56:02 | by 店小二03 ]
QUESTION 705 706. You execute the following command to set the redundancy retention policy in Recov ...

OCP-V13-620

[ 2015-09-23 20:00:03 | by 店小二04 ]
QUESTION 620 You are using the control file to maintain information about the database backups that ...

OCP-V13-701

[ 2015-09-23 21:12:04 | by 店小二04 ]
A. Because the PGA_AGGREGATE_TARGET parameter is not set

OCP-V13-689

[ 2015-09-23 21:16:01 | by 店小二04 ]
View the Exhibit and examine the RMAN commands. Which statement describes the effect of a backup re ...

OCP-V13-692

[ 2015-09-23 21:20:02 | by 店小二03 ]
Your company wants to upgrade the production database to a Real Application Clusters (RAC) environm ...

OCP-V13-687

[ 2015-09-23 21:24:01 | by 店小二05 ]
Users are connected to a database instance that is using Automatic Storage Management (ASM). The DB ...

OCP-V13-704

[ 2015-09-23 21:28:01 | by 店小二04 ]
QUESTION 704 705. View Exhibit1 to examine the DATA disk group when all the disks are online. Wh ...

OCP-V13-708

[ 2015-09-23 00:20:02 | by 店小二04 ]
You executed the following query: Considering that all the redo logs are available, what informa ...

OCP-V13-676

[ 2015-09-23 00:24:02 | by 店小二05 ]
677.What are the prerequisites for performing flashback transactions? (Choose all that apply) 闪回 ...

OCP-V13-710

[ 2015-09-23 00:28:01 | by 店小二05 ]
You executed the following commands in a database session: Which statement is true about the content ...

OCPV13.02-663

[ 2015-09-23 00:32:01 | by 店小二03 ]

Hadoop单节点环境搭建

[ 2015-09-23 00:36:01 | by 店小二04 ]
下面介绍怎么在linux系统上设置和配置一个单节点的Hadoop,让你可以使用Hadoop的MapReduce和HDFS(Hadoop D ...

OCP-V13-709

[ 2015-09-23 00:40:02 | by 店小二03 ]
A database has three online redo log groups with one member each. (数据库有三个在线日志租,每个 有一 ...

OCP-V13-711

[ 2015-09-23 00:44:02 | by 店小二05 ]
The following command is executed to shut down an Automatic Storage Management (ASM) instance: 下 ...

ZooKeeper典型的应用场景

[ 2015-09-23 00:48:02 | by 店小二05 ]
Zookeeper 从设计模式角度来看,是一个基于观察者模式设计的分布式服务管理框架,它负责存储和管理大家都关 ...
1、错误描述   1 queries executed, 0 success, 1 errors, 0 warnings 查询:desc triggers ...

HBaseAPI

[ 2015-09-23 00:56:01 | by 店小二03 ]
HBase 常用类介绍: JAVA API 和 HBase数据库模型之间的关系 JAVA 类 Hbase 数据模型 ...

HBaseShell

[ 2015-09-23 01:00:02 | by 店小二05 ]
  HBase Shell是使用(J)Ruby的IRB实现的命令行脚本。 因此可以在HBase Shell中混合使用Ruby代码: ...

OCPV13.02-638

[ 2015-09-23 01:04:01 | by 店小二04 ]
638.Which three statements are true about persistent configuration? (Choose three.) 关于持续性配置 ...

Redis禁用FLUSHALLFLUSHDBKEYS命令

[ 2015-09-23 01:08:02 | by 店小二04 ]
FLUSHALL FLUSHDB 命令会清空数据,而且从不失败,对于线上集群非常危险。 KEYS * 命令,当数据规模较大时 ...

OCP-V13-691

[ 2015-09-23 01:12:01 | by 店小二05 ]
You work in a data warehouse environment that involves the execution of complex queries. The curren ...

OCP-V13-635

[ 2015-09-23 01:16:02 | by 店小二03 ]
QUESTION 635 While Monitoring the space usage in your database that is in ARCHIVELOG mode you obser ...

OCP-V13-690

[ 2015-09-23 01:20:02 | by 店小二05 ]
The database users regularly complain about the difficulty in performing transactions. On investiga ...