Status: Running (Executing on YARN cluster with App id application_1510723060011_0082) VERTICES STATUS TOTAL COMPLETED RUNNING PENDING FAILED KILLED M ...
分类:
其他好文 时间:
2017-11-18 23:35:17
阅读次数:
263
When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics.Which two statements describe the ...
分类:
其他好文 时间:
2017-11-17 13:24:31
阅读次数:
164
A user named Arren is executing this query:select table_name, operation, undo_sql fromflashback_transaction_query t,(select versions_xid as xidfrom em ...
分类:
其他好文 时间:
2017-11-13 16:42:05
阅读次数:
215
Which operation requires that you create an auxiliary instance manually before executing theoperation? (Choose all that apply.)A. Backup-based databas ...
分类:
其他好文 时间:
2017-11-06 19:03:33
阅读次数:
148
After executing the command alter diskgroup disk group2 drop disk dg2a; you issue the followingcommand from the ASM instance:Select group_number, coun ...
分类:
其他好文 时间:
2017-11-06 13:11:42
阅读次数:
132
名字后面带d,很可能是程序用debug版本生成的,用release环境生成后问题解决. 执行生成过程中出现“系统找不到指定的路径。已复制 0 个文件。Error executing c:\windows\system32\cmd.exe.”executing问题不用理会,目录中生成的dll可用 ...
分类:
编程语言 时间:
2017-11-03 15:29:56
阅读次数:
145
Suppose we have two workers. Each worker has an id of 0 and 1. Also suppose that we have jobs arriving all the time, each job has also an identifier 0 ...
分类:
编程语言 时间:
2017-10-31 11:01:05
阅读次数:
199
什么是线程? 程序并不能单独运行,只有将程序装载到内存中,系统为它分配资源才能运行,而这种执行的程序就称之为进程。程序和进程的区别就在于:程序是指令的集合,它是进程运行的静态描述文本;进程是程序的一次执行活动,属于动态概念。 An executing instance of a program is ...
分类:
编程语言 时间:
2017-10-30 17:08:05
阅读次数:
261
如何允许远程连接mysql数据库呢,操作如下: 首先登录账号 mysql -uroot -p 使用mysql用户 use mysql 如果报此类错:ERROR 1820 (HY000): You must SET PASSWORD before executing this statement,则先 ...
分类:
数据库 时间:
2017-10-24 00:01:07
阅读次数:
231