Demonstration of working with database tables, implemented on inheritance of QSqlTableModel classes. 

An open free project demonstrating convenient management of database tables (Sqlite). Written in C++ in Qt (4.8.1). Implemented open inheritance of the QSqlTableModel and QTableView classes.
As a result, we have the opportunity to conveniently:
create external links for columns,
add calculated columns,
we can add a sub-account for the column.
Posted on github, there is an article on Habra, on our website kkmspb.ru .
github.com/Pav...