QSqlQuery
QSqlQuery is a class in the Qt framework that provides a way to execute SQL statements and interact with databases. It allows developers to perform operations such as querying data, inserting, updating, and deleting records. QSqlQuery is part of the Qt SQL module, which offers a database-independent interface to various SQL databases.
To use QSqlQuery, you first need to establish a database connection using QSqlDatabase. Once a connection is
After executing a SELECT query, QSqlQuery provides methods to navigate through the result set. QSqlQuery::next() moves
For data modification queries (INSERT, UPDATE, DELETE), QSqlQuery::exec() returns true if the operation was successful. Error