How to check if directory exists or not using shell script
In some cases, we wants to check whether the directory is exists or not using shell script.If the directory exists,
Continue readingHow to run a hive query from the command line using hive -e command
Hive -e command The Hive -e command is used to run the hive query in batch mode.Instead of enter into
Continue readingGet the create table statement for an existing Hive table using Show create table
The SHOW statement is a flexible way to get the information about existing objects in Hive. One of the Show
Continue readingHow to split a string by new line character in Java
String.split( ) in Java The string split() method breaks a given string around matches of the given regular expression. This
Continue readingHow to kill a process which is using port 8080 in windows
If we try to run the two different processes using the same port 8080, we will receive the error message
Continue readingAdd or modify the primary index of the table in Teradata using alter table query
Initially the table might be created without Primary index or Unique primary index. Later we wants to add the primary
Continue readingHow to find the size of the HDFS file
Size of the HDFS file in Hadoop File system Some time we will check the size of the HDFS file
Continue readingSwitching user using sudo command in Linux shell
Sudo command The sudo command is used to switch to another user.It will give the special priviledges to the user.It
Continue readingHow to check the table definition or view definition of table in Teradata
SHOW Table : Some time we want to check the table definition such as number of columns ,data type of
Continue readingHow to create a view for a table in Teradata
View creation in Teradata: View is a logical table that shows the result set of SQL statements. It is used
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