If you see the value for reloads is high in the estat library cache report is this a matter for concern?
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What is the difference between internal & external schema?
When configuring sqlnet on the client what files need to be set up?
While taking hot backup (begin end backup) what will happens back end?
What should a dba know?
What is the difference between truncate and delete? How would a full table scan behave after?
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
What are the types of locks in database?
What is oracle log switch?
What is the meaning of database backup?
What is the difference between a database and instance?
Why do we need a database?
You see multiple fragments in the system tablespace, what should you check first?