1. A sorting operation performed on data that has already been sorted by a primary criterion, using a different criterion to further organize the results
The database uses primary sorting by date, followed by secondary sorting by name to organize the records.
O banco de dados usa classificação primária por data, seguida de classificação secundária por nome para organizar os registros.
2. In computing, a second-level sort applied to groups of data that are equal according to the primary sort key
Secondary sorting ensures that within each category, items are alphabetically ordered.
A classificação secundária garante que dentro de cada categoria, os itens sejam ordenados alfabeticamente.