Need help with team scheduling

i have teams which i want to distribute in a schedule , each team play with the others one time and each team play once a day .
i got teams’ names and its number from the database.

Q: i want to make daily schedule for matches (like the daily schedule of world cup)
and to enter each date in the database with the schedule of this date.

please follow this link to see what i need:

Didnt i answer this question about a week ago? goes looking

EDIT: Yes, yes i did. And it was asked by you, too.

I’m not sure about this but I have seen similar described as a round robin problem. Hope that link is useful.