hi everyone, i am trying to me a simple interprete for consult in relational algebra, this is a project for university.
ill have some files in a directory with this sintax
cod_buy(char);name_suc(char);Import(int)
“P-11”;”DC Med”;900
“P-14”;”Center”;1500
like tables in memory, then i have to do some operations with this like and have some reserver words
∩ intersection INTE
∪ Union UNIO
∏ Proyeccion PRO
and other, i just need some example and ill start with the others
some logic operators like and, not, or...
so, basically, i have some simbols and have to make it a token and i need to read the files and understand the content, you have some examples or you can help me with one or two here, just for me to start.
Thank to everyone.