Sometimes when you import data from RDBMS to Hadoop via Sqoop you will see this error. org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory hdfs://hadoopcluster/user/username/importtable
Read moregzip / bzip2 can compress individual files. To compress entire folder structure ‘tar’ command comes to our rescue. Compress to
Read moreError Message : bash: 08: value too great for base (error token is “08”) or bash: 09: value too great
Read moreDECLARE @LastmonLastBusinessDay date, @inputdate date SET @inputdate = ’05/25/2014′ SELECT @LastmonLastBusinessDay = DATEADD(ms,-3,DATEADD(mm,DATEDIFF(mm,0,@inputdate),0)) – CASE DATENAME(dw,DATEADD(ms,-3,DATEADD(mm,DATEDIFF(mm,0,@inputdate),0))) WHEN ‘SUNDAY’ THEN 2
Read moreRecently I have been noticing some weird special characters on my PuTTy screen. There was no pattern to it. It
Read moreHere is a simple command line statement to kill frozen windows task manager. START – RUN – CMD (make sure
Read moreDeleting duplicate rows in SQLServer is very simple. Example : Check this table let me call it as Sample, order
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