The Article shows youHow to Download, Installation Steps and Getting-Started with a Complete Qt SDK for Oracle Linux 6 64-bit Kde 4 Desktop.
By the Way you will Get Installed at Once All the Qt Features including Qt Creator, Qt Designer and Qt Assistant.
The Qt SDK includes the tools you need to build desktop, embedded and mobile applications with Qt from a single install.
This is the recommended way to get started with Qt.
The latest SDK has a self updater feature that will keep you up to date as new versions are made available.
At the Article Bottom there is a Link to Getting-Started with Qt SDK Development.

The Qt SDK Contains:
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QT libraries version 5.2+
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QT Framework
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QT Creator IDE
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QT Mobility version
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QT development tools
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Remote compilers
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