java - Eclipse Mars How to add plugin DERBY database -

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i know how use derby using cmd, followed tutorials in apache website. use derby in eclipse requires core , ui zip files. watched tutorial on youtube when open eclipse directory there no plugin folder still extracted core , ui zip files , created own plugin folder when run eclipse , create new java project , hit right click there no "apache derby" menu shown while in youtube tutorial there is. found guide confused @ step 1. here files downloaded (already extracted in eclipse directory).

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