SCP - secure copy. It is used to copy files between servers securely. The transfer can happen either between a local host and a remote...
When i first saw Order by 1 at the tail end of an sql script. I was terribly confused.
The DISTINCT keyword used in a select statment is used to remove duplicates from a query result. It keeps one row from each group of...
Checking whether a directory is empty can be acheived using an if-else construct.