Configure Qt for SQLITE on Linux platform

[Qt Coder]

I m using Qt 4.4.3 on linux

I hav added

QT += sql

QT += sql

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in .pro file

and in .cpp file I written code

#include <Qtsql>

#include <Qtsql>

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but while compiling its giving me error

error: Qtsql: No such file or directory

error: Qtsql: No such file or directory

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[tbscope]

#include <QtSql>

It's case sensitive