[sql] Creating a new database and new connection in Oracle SQL Developer

  1. Connect to sys.
  2. Give your password for sys.
  3. Unlock hr user by running following query:

alter user hr identified by hr account unlock;

  1. Then, Click on new connection
  2. Give connection name as HR_ORCL Username: hr Password: hr Connection Type: Basic Role: default Hostname: localhost Port: 1521 SID: xe

  3. Click on test and Connect

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