SQL

QSqlTableModel

The QSqlTableModel class provides an editable data model for a single database table.

该QSqlTableModel类提供了一个单一的数据库表可编辑的数据模型。

QSqlRelationalTableModel

The QSqlRelationalTableModel class provides an editable data model for a single database table, with foreign key support.

该QSqlRelationalTableModel类提供一个可编辑的数据模型为单个数据库表，与外键的支持。

QSqlRelationalDelegate

The QSqlRelationalDelegate class provides a delegate that is used to display and edit data from a QSqlRelationalTableModel.

该QSqlRelationalDelegate类提供用于从QSqlRelationalTableModel显示和编辑数据的委托。

QSqlQuery

The QSqlQuery class provides a means of executing and manipulating SQL statements.

该QSqlQuery类提供执行和操作的SQL语句的方法。

QSqlQueryModel

The QSqlQueryModel class provides a read-only data model for SQL result sets.

该QSqlQueryModel类为SQL结果集的只读数据模型。