dbForge Schema Compare for MySQL allows you to compare DDL of the corresponding objects in the compared schemas.
In the Tools menu, click Options.
Click Schema Comparison and select General.
You can select one of the following text comparers:
If this comparer is selected, under the grid, in the Schema Comparison window, two SQL editors show string and symbol differences of the selected Source and Target schema objects. It is a convenient option, as you can see the object and SQL differences at once without distraction and any inconvenience.
To see SQL differences of compared objects, select required objects in the grid and see the differences in two SQL editors under the grid. The corresponding blocks of text, but with any differences, are connected with lines. Differences in strings are marked with three colors:
Corresponding blocks of text, but with any differences, are connected with lines. If required, you will copy text from the SQL editors and then edit or save it in a new SQL document.