Hi, Here is the answer, I thing we have a couple of options: /var/log/impalad/audit stores audit logs (at least in CDH). Those logs contain sql_statement field that stores executed sql queries Impala has a web server running on a 25000 Port. You could connect with your browser and see queries executed (/queries tab). If you are using Cloudera Manager, you will see all the impala queries in "impala/queries Hope this will help you. Thanks Elena Lauren ... View more

Hlo Bala Vignesh, Thank you..! As you mentioned above "Let me put that in short & simplest way" you have clarified my problem in a simple way and also the links which you have shared also helpful to me..! "These are links which would help to gain knowledge at high level. However you have dive deep if you wanted to know more. https://datajobs.com/what-is-hadoop-and-nosql https://it.toolbox.com/blogs/maryannrichardson/hadoop-or-nosql-what-is-the-difference-113016" Thanks once again. ... View more