How to write stored procedure for increment scenario

Hi,

For example I have one table d in that i have two columns like key and full_date and another table f with column key.we can load the data through etl tool it will load corresponding key in fact table from d table based on p.k and f.k relation.
i need one stored procedure to increment that key in fact table daily.
For example if i run storedprocedure today that key will be incremented by 1 in fact table.can you please help me on this.......