difference between fetch and get code example

Example 1: difference git fetch vs pull

Git Fetch ==>The Git Fetch command 
downloads commits, files from a remote
repository into your local repo. 
Fetching is what you do when you want
to see what everybody else has been working on

Git Pull ==> fetch and merge any 
commits from the remote branch

Example 2: exact fetch returns more than

The error says fetch returns more than requested number of rows means ‘Exact Fetch’ will return ‘More than one row’. The basic problem will come from ‘Select Into’ statement from oracle, which will return more than one rows.