RCU is used to create repository for various middleware products ie. SOA Suite , Webcenter Suite , Identity Management Suite, Content Management & Weblogic Communication Services , Portal & BI.
If you are working on ADF application with MDS featurs then you will be needing a MDS schema .RCU will create a default schema for MDS.Download
RCU 11g from oracle.com .Downloded file will be File : ofm_rcu_linux_184.108.40.206.0_disk1_1of1.zip
unzip this ofm_rcu_linux_220.127.116.11.0_disk1_1of1.zip file.
UNIX– Launch ./rcu from cd /oracle/rcuHome/bin
Windows – go to Oracle/rcuHome/bin folder and click installer.
Below are the screen shots for rcu Install –
Keep clicking Next and Create until the MDS Database Repository is created.
Now, if you open your database you will notice that new tablespace entries, corresponding to your MDS Repository, have been created
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