Nahidur Rahman Rifath

Here is the command for SQL update column with value from another table UPDATE t1 SET      t1.Column = t2.Column, FROM      TableOne t1      INNER JOIN TableTwo t2      ON t1.Column = t2.Column; Go

To Delete all elements in the repository, use the following command $ git rm -r * then: $ git commit -m 'Delete all the stuff from repository'