The program shows a few messages about database structure compatibility issues. There are:
The program shows this message if tables to be compared have a different number of columns and right mapping not specified. | ||
The program shows this message if tables to be compared have a different number of columns in the primary key and alternate key structure not specified*. | ||
The program shows this message if some table has no organic primary key and no alternate key column was specified. | ||
The program shows this message if tables have at least one incompatible column pair and correct mapping not specified. This message can be ignored by the user if necessary. | ||
The program shows this message if the table has a mapping but at least one primary key column not included in. The comparison is impossible in this case. |
* - the program can use the unique key definition from another side if both objects (table and table, query and table, etc) have same columns.
See also: Collate and Sort Order warning.