QSqlField

QSqlField is a class in the Qt framework that represents a single field within a database table. It stores information about a database column, such as its name, data type, and value.

A QSqlField object holds a name, which is the identifier for the field within its table. It also has a type, which corresponds to the SQL data type of the column, such as integer, string, or date. The class provides methods to get and set these properties.

In addition to its metadata, QSqlField can store a value. This value is the actual data associated with the field for a particular record. The class allows you to set and retrieve this value, often in conjunction with other Qt SQL classes like QSqlQuery and QSqlRecord.

QSqlField is instrumental in interacting with databases using Qt. When you retrieve data from a database, it is typically presented as a collection of QSqlField objects within a QSqlRecord. Similarly, when you insert or update data, you construct QSqlField objects with the new values to be sent to the database. This abstraction simplifies database operations by providing a structured way to handle individual column data.