You can have up to 11 players on the field but most of the time you have 9.   There is the pitcher,catcher,third basemen,short stop,second basemen,first basemen,left â¦ field,center field,and right field.   The way you get up to 11 players is if you put some in right center and left center field.
A tuple is a fixed fixed-length list containing elements that need not have the same type. It can be, and often is, used as a key-value pair. A row (sometimes called a record) is the set of fields within a table that are relevant to a specific entity.
There is no difference between Row and Tuple. Row and Tuple are used in DBMS to represent single record in the Database. so do not be confused with this word , both are having same meaning. ROW==TUPLE = TRUE