Final answer:
To show the matchid and player name for all goals scored by Germany, modify the table to include only goals scored by Germany and add the condition WHERE teamid = 'GER'.
Step-by-step explanation:
matchidplayer1Player12Player23Player3
To show the matchid and player name for all goals scored by Germany, you need to modify the table to only include goals scored by Germany. You would add a condition to the query: WHERE teamid = 'GER'. The resulting table would list the matchid and player name for each goal scored by a German player.
Example:
matchidplayer1Player12Player23Player3