How to count the number of lines in a HDFS file?
WC command wc(word count) command is used in Linux/Unix to find out the number of lines,word count,byte and character count
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WC command wc(word count) command is used in Linux/Unix to find out the number of lines,word count,byte and character count
Continue readingAlter table in Teradata: Alter table statement is used to add new columns to the existing table in Teradata. It
Continue readingHive -f command The Hive -f command is used to execute one or more hive queries from a file in
Continue readingIn some cases, we wants to check whether the directory is exists or not using shell script.If the directory exists,
Continue readingHive -e command The Hive -e command is used to run the hive query in batch mode.Instead of enter into
Continue readingThe SHOW statement is a flexible way to get the information about existing objects in Hive. One of the Show
Continue readingString.split( ) in Java The string split() method breaks a given string around matches of the given regular expression. This
Continue readingIf we try to run the two different processes using the same port 8080, we will receive the error message
Continue readingInitially the table might be created without Primary index or Unique primary index. Later we wants to add the primary
Continue readingSize of the HDFS file in Hadoop File system Some time we will check the size of the HDFS file
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