Qt SQL is an essential module which provides support for SQL databases. Qt SQL's APIs are divided into different layers:
The SQL Programming guide contains information about development using Qt SQL.
To enable Qt SQL in a project, add this directive into the C++ files:
To link against the Qt SQL module, add this line to the project file:
QT += sql
Qt SQL is available under commercial licenses from The Qt Company. In addition, it is available under free software licenses. Since Qt 5.4, these free software licenses are GNU Lesser General Public License, version 3, or the GNU General Public License, version 2. See Qt Licensing for further details.
Furthermore, Qt SQL in Qt 5.11.2 may contain third party modules under following permissive licenses:
These are links to the API reference materials and related pages.
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