There are two forms of the MKEY command. One is used to define a temporary match key. The other is used to display a match key.
Within a COMPARE Table Map, specifies a pair of tables to which you want to apply the temporary match key. You can specify one of the table names with the command, or type the command and place the cursor on the row with the tables. After pressing ENTER, an asterisk is displayed for the pair next to the Type. After completing the Table Map, you will be prompted to define a temporary match key, which is saved with the Compare Definition.
MKEY table
Within a COMPARE Table Map, displays a match key for a pair of tables. After typing the command, place the cursor on the row with the table names, and press ENTER to display the match key.
MKEY DISPLAY