Monthly Archives: September 2015

Talend big data certification exam : TOS for Big Data 5.3 Certification Exam

Talend big data certification exam : TOS for Big Data 5.3 Certification Exam Talend issues certifications at the completion of a course in the learning management system. Certification exams are available for version 5.6 products. When you purchase a Talend Certification Exam, online access will be mailed to you within 2 days. Complete the exam […]

Cloudera Tutorial : Import From Mysql to Avro with Impala and query with Hive

Cloudera Tutorial : Import From Mysql to Avro with Impala and query with Hive   Command Line for Sqoop : [cloudera@quickstart ~]$ sqoop import-all-tables \ -m 1 \ –connect jdbc:mysql://quickstart:3306/retail_db \ –username=retail_dba \ –password=cloudera \ –compression-codec=snappy \ –as-avrodatafile \ –warehouse-dir=/user/hive/warehouse   When this command is complete, confirm that your Avro data files exist in HDFS. […]

R programming advanced Tutorial

Download R DOWNLOAD RSTUDIO R programming advanced Tutorial > a <- c(1,2,3,4,5) > a [1] 1 2 3 4 5 > a+1 [1] 2 3 4 5 6 > mean(a) [1] 3 > var(a) [1] 2.5 #create a matrix m <- matrix(1:6 , nrow=2 , rcol=3) #data frame x <- data.frame(bar=1:4,foo=c(T,T,T,F)) #large data set, read […]