Wednesday, 18 March 2020

shell script

$#  Stores the number of command-line arguments that were passed to the shell program

$? Stores the exit value of the last command that was executed. 

$@ treats each quoted arguments as separate arguments .

 $* will consider the entire set of positional parameters as a single string.


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Restircted session due to sync filed with ora-65177

Application is unable to connect the database due to restricted session. sql> show pdbs; SQL> show con_name CON_NAME -----------------...