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R语言画图
线型图sessionA <- c(1,2,3,4,5,6)sessionB <- c(12,23,25,26,16,10)plot(sessionA,sessionB,type="b")饼图 pie(sessionA)美国地图#install.packages("ggplot2") #install.packages("maps") library(ggplot2) library(maps) # 为了获取数据 ## ## # ATTENTION: maps v3.0 has an updated 'world' map. ...
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oracle12c的CDB和PDB初探
[oracle@oracle12cs ~]$ sqlplus / as sysdbaSQL*Plus: Release 12.1.0.2.0 Production on Wed Jun 22 15:49:41 2016Copyright (c) 1982, 2014, Oracle. All rights reserved.Connected to:Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit ProductionWith the Partitioning, OLAP,...
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TokuDB的安装及注意事项
TokuDB的安装及注意事项...
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利用mysqld_multi配置单机多实例
环境：redhat6.5+mysql5.6.21[root@linfytest2 bin]# cat /etc/redhat-releaseRed Hat Enterprise Linux Server release 6.5 (Santiago)[root@linfytest2 bin]# ./mysqld --version./mysqld Ver 5.6.21 for Linux on x86_64 (Source distribution)mysqld_multi的实例：[root@linfytest2 bin]# ./mysqld_multi ...
