Oracle 11g database can we update patch directly from 11.2.0.3.0 to 11.2.0.4.0?

Hi,
I have installed Oracle 11g database.
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for 64-bit Windows: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
I want to update the patch.
Oracle 11g database can we update patch directly from 11.2.0.3.0 to 11.2.0.4.0?
Is any impact on the database?
Kindly suggest,
Regards,
Sachin

11.2.0.4 is nothing but a patchset of 11.2.0.3, in-place upgrade is allowed :
http://docs.oracle.com/cd/E11882_01/server.112/e23633/preup.htm#UPGRD12370
"You cannot install the new software into the same location for Oracle home as your current release, unless you are installing an Oracle Database 11g patchset release. For a patchset release, you can use the same Oracle Database 11g Oracle home."
And since it's a patchset, a direct upgrade is ok.
Lastly, yes, every upgrade has an impact (e.g. perf.), it has to be tested.
Nicolas.

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