### Q55. What is the main difference between the is and as operators? - [ ] The is operator checks instance types, while the as operator checks the inherited type. - [ ] The is operator checks primitive data types, while the as operator checks the object type. Expand All @@ ...
A good place to start, because you've just seen how to start SQL*Plus, is with the EXIT command. EXIT terminates your SQL*Plus session and closes the SQL*Plus window (GUI version) or returns you to the operating system prompt. Used in its simplest form, the EXIT command looks like th...