Failed to install file - Two package provides the same file [closed]

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Am using fedora 20. i tried different command to install mysql,php,apache whatever i saw in internet. Nothing work for me.

Now when i try to install RPM file, i get the following error,

Failed to install file - Two package provides the same file, this is due to mixing package from different s/w sources.

Now what will i do to remove all unwanted data and finally to install mysql,php,apache.