Yostivanich

SQL is a domain spe­cific lan­guage (a lan­guage designed to do one thing and knock the socks off at doing it) that just accesses data­bases. Okay but what is a data­base? Well a data­base is essen­tially a col­lec­tion of data, yeah I know that doesn’t help much. To clar­ify we’ll play a lit­tle men­tal exer­cise. Imag­ine …