title: How to grant privileges to one user to access other users in Oracle?
body: <p>There are 3 schemas: DEMO1, DEMO2, DEMO3
  I want to grant DEMO1 permissions to perform all the operations on DEMO2 and not DEMO3.</p>
  <p>ALL Operations means: Select, Update, Insert, Delete</p>
  <p>How can I grant the privileges for that in Oracle SQL Developer?</p>