Database Primary Key: A primary key is a combination of one or more column values in a table that make a row of data unique within a database table. Identification of primary keys is an important part of entity type identification. Ideally, primary keys should be. stable and.
It depends on their experience, the industry of their clients, what their special â¦ ty is, their location, etc., etc.According to the U.S. Department of Labor, the 2002 median annual earnings of salaried computer programmers was $60,290.
According to the National Association of Colleges and Employers (NACE), freshly minted engineering graduates are earning about $62,719 per year, up very slightly from the 2013 average of $62,535. The starting salary for most computer science grads is about $61,741 per year, an increase of almost 3% from 2013.