Hi, I am planing to appear for Spark exam and have few questions. 1) Since python follows strict indentation,will any python supported editor be available during exam to write the scripts? 2) Do we need to save the scripts during exam or just execute it? 3) Which language would be good to solve problems in exam, Scala or Python? Thanks in advance ... View more

Hi, somehow mysql is not getting up in the AWS. Giving below error. Can't connect to local MYSQL server through socket '/var/run/mysqld/mysqld.sock' (2) ... View more

Hi, I was going through the practical exam for HDPCD in AWS. There is a question in pig as "Remove all rows in the flightdelays data where the DepTime column equals the string "NA". The answer provided for this question says: b = filter a by (chararray) $4 != 'NA' or (chararray) $11 != 'NA'; I do not understand why It checks 2 fields here. Is it correct or am I missing something ? Because of this I find differences in the actual output and my answer. Please help me to understand if anyone has idea about it. ... View more

Hi, Can someone help to understand if pattern of HDPCD certification has been changed or its still same? ... View more

Hi, I have enrolled for HDPCD exam for next week.Just wanted to understand how to create the .pig or .hive files in actual HDPCD exam? Will we have access to gedit editor or need to do it in VI editor which is not user friendly? ... View more