sumitya questions

sumitya answers

• while read bash array (not into)
• Spark & Scala: saveAsTextFile() exception
• Relationship between HDFS, HBase, Pig, Hive and Azkaban?
• comparing two files by lines and removing duplicates from first file
• Insert timestamp into Hive
• Hive - Varchar vs String , Is there any advantage if the storage format is Parquet file format
• Difference between --warehouse-dir and --target-dir commands in sqoop
• Row number functionality in Hive
• Convert .txt to .csv in shell