source: trunk/doc/src/porting/qt4-sql.qdoc@ 603

Last change on this file since 603 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

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41
42/*!
43 \page qt4-sql.html
44 \title The Qt 4 Database GUI Layer
45
46 \contentspage {What's New in Qt 4}{Home}
47 \previouspage Cross-Platform Accessibility Support in Qt 4
48 \nextpage The Network Module in Qt 4
49
50 The GUI layer of the SQL module in Qt 4 has been entirely
51 redesigned to work with \l{qt4-interview.html}{Interview} (Qt's
52 new model/view classes). It consists of three model classes
53 (QSqlQueryModel, QSqlTableModel, and QSqlRelationalTableModel)
54 that can be used with Qt's view classes, notably QTableView.
55
56 \section1 General Overview
57
58 The Qt 4 SQL classes are divided into three layers:
59
60 \list
61 \o The database drivers
62 \o The core SQL classes
63 \o The GUI classes
64 \endlist
65
66 The database drivers and the core SQL classes are mostly the same
67 as in Qt 3. The database item models are new with Qt 4; they
68 inherit from QAbstractItemModel and make it easy to present data