title: how to create user in oracle 19c database
body: <p>after installing oracle 19 C it was asking for username and password. what to type in that and how to create a new user with all permissions and authentication rights.(note i tried create user command by login as SYSDBA but it showing error as invalid common user or role name.
  <a href="https://i.stack.imgur.com/u2xlh.png" rel="nofollow noreferrer">enter image description here</a></p>
  
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