Compalex: comparison of schemes of two databases3 years ago
But sometimes changes affect seldom used tables, or changes at first sight are not absolutely obvious (for example, someone has changed the field length of VARCHAR and at you lines began to be cut off, or someone has added index because of which requests on test base are executed much quicker).
Still option — you have carried out software updating and everything has ceased to work for you. The heap of unclear errors from scratch, application lies, users are not happy.
In such cases happens it is very useful to look than bases differ and to draw the corresponding conclusions.