Generating an explain plan
You can generate an explain plan to help tune an SQL query.
Note: 
        You need the
        PegaRULES:DatabaseAdministrator
        role to access the Query Inspector.
      
    - Click .
 - Select the database from the Choose your database list.
 - Enter or paste an SQL query into the Enter or paste statement to evaluate here field.
 - Click Generate explain plan.