What's the difference between a single table and multi table online poker tournament?

Answer 1

a single table (often called sit 'n gos) game will only allow the predetermined max number of players to sit on 1 table or if a time start single table a minimum number of players to start ... multi table games allow for higher number of players to join before the game starts ( tho some sites allow late registration for a period of time after game starts) & distributes the players as equally as possible on  how ever many tables neddedc to accomadate them

Answer 2

Each poker site holds different sized tournaments, some single table and some multi tables. The single table tournaments are called sng's and have a max of 9 or 10 people, while a multi table tournament contains 2 or more tables.